A. FE. Verrili— Mollusca of the New England Coast. 287 
IL.— Table illustrating Bathymetrical Distribution. 
All the species and named varieties are counted together, whether 
of shallow or deep water origin, except in the second column. Those 
species that have not been found in this region in more than 60 
fathoms are not included in the eighth column, otherwise the entire 
molluscan fauna, living between the shore and 60 fathoms, would 
have to be enumerated. 
f | g 
og = : : o 
pence permet ca ell a, | Sa ty a 
CEEHALOPRODA Ll. es see sos rl || Br Sh Ol eet Sy toe O 2 Q 
GASTROPODA 200 e Le | 216] 205| 22| 56| %6/ 107| 124] 38| 14 
Pawoglosem itso. a isonet Oy MO 1S) Sibi Lei A). 90 
ROCKIGLOSS ee esses. 2 =|) a0)|). 29 3 hey Gis 2dvles2o 7 0 
MENTOGIOSSU aso ee ea | 88) 35 Dylan eel te Oke eye Au 1 
ELEN OGLOSS@: ae sa = KO a Oi 0 3 i. 0 1 
Rhiphidoglossa __.......| BO ae PO) LS AS 17 adi ole 70 
Gymnoglossa _.... ----- ep 2Or 20m tsa Oo Shamma y (hare 1 0 
Tectibranchiata __---.-- 23| 23 i Till GIB) aay aly 5 0 
Nudibranchiata _...---- 1163 4183 0 0' Oo 5 8 fl 4 
Polyplacophora .------- 5 5 0 0 2 3 5 1 0 
HCVeTOMOO 2.5.5 2a 52 8 8 8 
IETHROPOD Aso: oe. tet oe eos 24) 238 23 
SOLENOCONGHA, 25.2 -5--22- 16) 15 ON ala Lal hes a2) 9 8 2 0 
LAMELLIBRANCHIATA ._.-.-.- 115 | 107 Sil SG 645i) 59) |) 78a: 46 3 
IBRACHIORODAl = 40-022 82a 3 3 0 2 0 1 1 1 0 
Total Mollusca and Brachi- 
OpOd greene at. here We 401 | 880] 35] 115| 148] 191| 228) 89| 42 
Ill.— Table showing the Progress of Discovery of our deep water 
Mollusca. 
lg 
| 4/é| ,l2|/2 Z 
S| | al é| 4/3/42] 2/4lsi 4] [a] 3]! 
2 2/2) 2/2) 3| 5/2) 2/212] 4/3 £18 
2) mlm] Bl MIS Slo Bel si aje| S 2) , 
a\olS\Sig al sisisl siecle] 2 isle 
8) 8/2) 8|8/sis| El 8|3/s|sis| 2/8) 3 
Ola Pee) a Pa Pe | FL A eu as el ay 
Species and named varieties in | | 
is ipa se ts oo he. SRE 27/36/33 38;10/380; 5 2023138 824,16 115) 3.401 
Recorded before 1880_-.------- 11} 5/11/13; 1) 4) 2} 2) 8] 6) 1] 5) 3} 52) 1/125 
‘Added? since: 18802. 2222-2222 16/81/22 25) 9/26) 3/18/15) 7) 7/19/18) 63) 2/276 
Addedpinel 883s: 32: sae: 2 2222 4/17/13 14) 0/15, 0) 7) 2, 0 510) 8| 24) 2/121 
Described as new by the writer | | | | 
SINCERLCCU Eee st ae eee a 15/26/21 18 818) 1}13| 9} 3) 1) 2) 4; 19; 0/158 
Described as new by the writer | | | | | 
TICE ce oan 4'16!1110] 0l11| 0! 6! 1! 0) 11 0/ 8] 9 01 72 
