PROSOBRANCHIATA. 
Number of Species. 









gee 
3 Be ine & || Bz 
; ro = DB as a na a= ee 
Bie laley2/2e| 44.) 2 2.| 83 
a; A ld/elels|é |e | é |e [ee 
| 
| 
CHITONAS ee ee 18 Valital 11 31 || 200 || 231 
PATE TAs raiemene Ch | PA) aha 2 16 88 98 || 100 || 198 
ETSSURERLA.... 2 23 30 84 || 114 
EMARGINULA..... 4 23 34 26 60 
CAPULUS sass 56% Le alt) il 12 24 fe 3 
PILKOPSIS........ 2 9 23 40) 40 
CREPIDULA...... 16 16}; 40 56 
CALYPTR@A...... | ty ad | oy) Ge 
SIGARETUS....... 3 | 12/) 15)) 26); 41 
INATICAR Se soe eee 5 | 20 1 || 6 | 28) 56 88 || 280 || 100 || 330 
INIBRITA ac ete cscs 3 8 {i 30 52 || 120 |) 172 
INR ITENAY craze sccie i [oad 30|;| 34/|| 100]; 184 
AVELDANA®.'.2 Sct 13 13 13 
NERINZA®). 325.0 5- 56| 46 92 92 
TURBONILLA..... 9 1 22 32 || 32 
LOXONEMA....... By | PAN) 1 23 || 23 
MACROCHEILUS... TE ae) a) al ily 17 
SCADARTAVH As /s. ob 1 Ugly abs) 80 || 100 |) 100}; 200 
TURRITELLA...... 4; 29/41/11) 6] 17 71 || 107]| 296 30 || 326 
PHASIANELLA..... 5 iL 2) 1 Nt, 329) 22 51 
LUTTORENA.. <4, 2.0/0 « 1 Qld 3 We PS ecole 60nle Oil 
“UU HOL ontiancenoe TS 325 282250) 58 57 || 264 75 || 3389 
DELPHINULA..... ee {i 36 55 30 85 
EUOMPHALUS..... 28 | 60 2) 90 | 90 
SOLARIUM........ 2| 384 65 || 102 25 || 127 
UGTA erences 4 4 4 15 10 25 
IBHORUS scieeiteisose | | T4all 1% 7 || 24 
MROCHUBl asec ee 5} 21/1/31) 1 | 66) 51 || 178}| 362 || 160 |) 522 
MurcHIsonia....|| 18 | 30 1 | 48 48 
SCHIZOSTOMA..... Saleelic nalts 17 
PLEUROTOMARIA..|| 28 | 125 bay ale The ZU (3333 2 ||. 310 | 2 || 312 
CIRRUSh ce. ere 2° 1 th | 14 14 
CERITHIUM.......- 164) Bal | 36 || 827 || 367 90 || 457 
ROSTELLARIA..... 4/14 60/|| 16 94 | 6 || 100 
PTEROCERAS...... | 11 Pati 10 37 
STROMBUS.......- 31 36 70 || 106- 
MUR Xt cooecer 5] 13 || 179 || 187 || 210)|| 397 
‘(HUSUSianc cei eke il! 1 Te M55 290 || 357 || 100 || 457 
IPVR DIA cereale: 1 2 36 56 || 40 96 
PLEUROTOMA..... 844 || 350 || 370) 720 
FASCIOLARIA..... 32 34 15 49 
GABBIB Ee iaea scr ] 3D 36 30 71 
BUccINUM....... aaliices 1 | 15 142 || 173 || 100|| 2738 
TTRREBRIA(... s6:0.su6 5) 30 387 || 110 || 147 
WiOTUMAL cicero c tlt 93 || 106 70 || 176 
MON ooo aracdde | 110 || 112 || 350 |} 462 
QOREV Arsh asiescerane 32 82 || 120 || 152 
CPR AGA cise see | 79 92 || 160 || 242 
CONUS eaescme 89 92 |) 270|| 362 
Totalecosie ste 127 | 473 |15 |17 |/88 |367/'701 ||2'783 ||4516 |/3500 ||8016 















