Table Shewing the Order of Several Chapters and Verses
in Jeremiah, as They Appear in the Hebrew
and Septuagint Respectively.

Hebrew, Vulgate, English     Rahlfs'LXX (CATSS)      Brenton's LXX
25:1-12  ................... 25:1-12
25:13    ................... 25:13-14 ............... 25:13,34
25:14    ................... n/a				
25:15-38 ................... 32:15-38
26:1-24  ................... 33:1-24
27:1,7,13,17,21 ............ n/a
27:2-6,8-12,14-16,18-20,22 . 34:2-6,8-12,14-16,18-20,22
28:1-17  ................... 35:1-17
29:1-15,21-32 .............. 36:1-15,21-32
29:16-20 ................... n/a
30:1-9,12-14,16-21,23-24 ... 37:1-9,12-14.16-21,23-24
30:10,15,22 ................ n/a
31:1-40  ................... 38:1-34,36,37,35,38-40 . 38:1-40
32:1-44  ................... 39:1-44
33:1-13  ................... 40:1-13
33:14-26 ................... n/a	
34:1-22  ................... 41:1-22
35:1-19  ................... 42:1-19
36:1-32  ................... 43:1-32
37:1-21  ................... 44:1-21
38:1-28  ................... 45:1-28 
39:1-3,14-18 ............... 46:1-3,14-18 ........... 46:1-4,15-18
39:4-13  ................... n/a			
40:1-16  ................... 47:1-16
41:1-18  ................... 48:1-18
42:1-22  ................... 49:1-22
43:1-13  ................... 50:1-13
44:1-30  ................... 51:1-30
45:1-5   ................... 51:31-35
46:1,26  ................... n/a
46:2-25,27-28 .............. 26:2-25,27-28
47:1-7   ................... 29:1-7
48:1-45  ................... 31:1-45
48:45-47 ................... n/a
49:1-5,23-27,28-33 ......... 30:1-5,29-33,23-28 ..... 30:1-5,23-27,28-33
49:7-22  ................... n/a      ............... 29:7b-22 
49:34    ................... 25:20    ............... 26:1
49:35-39 ................... 25:15-19 ............... 25:35-39
50:1-46  ................... 27:1-46
51:1-64  ................... 28:1-64
52:1,4-14,16-27,31-34 ...... 52:1,4-14,16-27,31-34
52:2-3,15,28-30 ............ n/a
(above revised on chart taken from Brenton's Septuagint, pg. 971)

CATSS ordering is that of Alfred Rahlfs' Septuaginta (1935), which differs in some detail from Joseph Ziegler's later (1957) critical edition in the Göttingen LXX. Below is the list from Swete's Introduction, which agrees for most part with Rahlfs (=CATSS).

LXX order (see Swete p. 233) .. Hebrew order
25:14-19  ..................... 49:34a-39
26:1  ......................... 49:36b
26:2-28 ....................... 46:2-28
27  ........................... 50
28  ........................... 51
29:1-7   ...................... 47:1-7
29:8-23    .................... 49:7-22
30:1-5, 6-11, 12-27 ........... 49:1-5, 28-33, 23-27
31   .......................... 48
32:1-24    .................... 25:15-38
33   .......................... 26
34:1-18    .................... 27:2-22
35   .......................... 28
36   .......................... 29
37   .......................... 30
38:1-34, 35-37, 38-40 ......... 31:1-34, 37, 35, 36, 38-40
39   .......................... 32
40   .......................... 33
41   .......................... 34
42   .......................... 35
43   .......................... 36
44   .......................... 37
45   .......................... 38
46   .......................... 39
47   .......................... 40
48   .......................... 41
49   .......................... 42
50   .......................... 43
51:1-30, 31-35 ................ 44:1-30; 45:1-5
Major "omissions" in LXX:
8:10-12; 10:6-8,10; 11:7-8; 17:1-4; 29:16-20; 30:10-11; 33:14-26; 39:4-13; 48:45-46; 51:44d-49a; 52:2-3,27c-30.
[English translation of the Septuagint by Sir Lancelot Charles Lee Brenton (1807-1862) originally published by Samuel Bagster & Sons, Ltd., London, 1851]