8 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
three pairs of maxillipeds, those on the second being narrow, but as long 
as the merus of the endopod, so that the formula is: 
Somite— 
VALE | WaT gi PEN. x. xe DGG Oil eG O 9 Og) eo. Total. 
Tepes 1 teed ise 1 1 1 0 0 0 ao} (<a (3) 
Podobranchiv...-.....-.- 0 1 1 0 0 0 0 0 2 
Arthrobranchiw.......-.. 0 0 2 0 0 0 0 0 2 
Pleurobranchiz& ......-.- 0 0 0 2 1 1 0 0 4 
8+(3) 
Specimens examined. 
n : 
i rd No. of speci- 
3 z mens. 
Z Locality. = 3 d 
z ‘= | Nature of bottom. 3 So 
a N. lat. W. long. - a o ere 
= a E = 
7) A E 5 
OFF MARTHA’S VINEYARD. 
Oo / Mu oO / “a 1880. 
865 | 40 05 00 70 23 00 65 fne. S. M. Sept. 4) 1 1 r | 
871 40 02 54 70 23 40 115 fne. S. M. Sept. 4 8 1 0 
872} 40 05 39 70 28 52 86 | S.G.Sh.sponges. | Sept. 4] 1 ; 
873 | 40 02 00 70 57 00 1c0 sft. M. Sept. 13 3 3 0 
874 | 40 00 00 70 57 00 85 sft. M Sept. 13 4 4 0 
875 39 57 00 70 57 30 126 sft. M Sept. 13 1 0 
je S7S8))es9) 55) 00) 70) 547515 4/42 sft. M Sept.13] 1 1 1 
| 1881 
921 {| 40 07 48 70 43 54 67 gn. M. July 16) 4 1 0 
922; 40 03 48 70 45 54 71 gn. M.S July 16|] 2 
940 | 39 54 00 69 51 30 134 hrd. 8S. sponges Aug. 4] 34 9 5 
941 40 01 00 69 56 00 79 hrd. S. M Aug. 4 8 9 9 
949 | 40 03 00 70 31 00 100 yl. M Aug. 23 5 5 5 
950| 40 07 00 70 32 00 | 71 $"'Sh. M Aug. 23| 3 2 153 
1036 39 58 00 69 30 00 | 94 5 Sept. 14 2 1 0 
1088 | 39 58 00 70 06 00 146 S. Sh rept. 21 1 ; 
1040 | 40 00 00 70 06 00 93 S. Sh Seen 4 0 
OFF DELAWARE BAY. 2 
1881 
1043 | 38 39 00 Nay de 00, 130 S Oct. 105) 3b 
1046 | 38 33 00 73 18 00 104 S Oct. 10} 1 
1047 | 38 31 00 73 21 00 | 156 Ss Oct. 10n) 
| OFF CHESAPEAKE BAY. 
1880. 
896 37 26 00 74 19 00 56 S. Sh. Nov. 16| 7 1 1 
899 | 37 22 00 74 29 00 57 S. Nov. 16 | 11 
The type specimen of C. depressus which I have examined is from the 
Straits of Florida, and is labeled “‘ Bache, Apr. 2, 5th cast, 54 fms., off 
Sombrero.” This specimen gives the following measurements in milli- 
meters and hundredths of the length of the carapax: 
SOX sch des onside se wecilets oleae some ceeeee clan ceteeeeineeme rer ee we whewse woceseeEe 44 
encthrol carapax 22 -a- 1c scct cic eostiareeceies Soe wttdc tates Sead oe nn 7.0 
Breadth of.canapax 22 s0 5 i ete Wee teeeece ee eee eee. sis sen, fod aRee eee 5.2 
Same in hundredths of length.........-..-----. Jggcacteseesae Heese Ren Soc 74 
Length of cheliped’:. 222.3. .\c- Bo Soe soon Ewes Some ae eee sees ie See 3.0 
