90 



3. G. ? Chiaje,t.42. f. 2. 



4. G. ?? . Cuvier, t. 42. f. 4. 



6. G. ? Chiuje, t. 42. f. 1. 



(). G. ? ,t.51.f.l,2. 



15. Philippia, n. M2. 1 

 Moll. Sicil. i. 1/4. //. 



P. lutea. Solai-ium_l^ PhiUjun, 



** Operculum ovate, few-whorled. 



16. ARADASiA=?Otavia, n. 131. Operculum ovate, of few ra- 

 pidly enlarging uhorls ; lateral filaments (4'4) elongate ; shell 

 scarcely pearly. — Quoy. 1. A. canaliculata. Trochus c., Q«oy, 

 t.G4. f. 21,23. U. - i,„^UAJL^i^ rk M^ i4P Ul^ 



Opercuhuu homy ; whorls many, gradually enlarging ; sometimes 

 wanting. Frontal lobes between the tentactda two, distinct, lobed. 

 Mantle and shell entire ; sides witho\it filaments. Gill single, lateral 

 fringe mem})ranaceous, without tentacula. Teeth, Qmy, t. 6G*. f. \\). J£^-iAio£. 



(l^ LUj~9nn'^*^^'~^ I- Stomatella, n. 143. Operculum horny, cii'cular, many- 

 whorled ; mantle edge crenated. 



1. S. maculata, Quoy, 1. 109. f. 1, 3. 



2. Gena, n. 145. Operculum none ; shell elongate ear-shaped ; 

 mantle edge entire. 



^ j?«.<'^ ^^^//ff 1- Gt. lutea. Stomatella auricula, Quoy, t. 109. f. 5. 

 ' '7 2. G. nigra. Stomatella n., Quoy, 1. 109. f. 4. 



Fam. 5. Haliotidce. 

 Operculum none ; frontal lobes none ? Mantle with a slit and 



f^ 



shell with a series of holes on pillar side. Gills 2, sejiarate on pillar 

 side. 



t-fk 2^ 1. IIaliotis, n. 14/. 



1 . II. tubercnlata, Cuvier, t. 109. f. fi, 1. 1 1 0. f. 5 ; Chiaje, 1. 109. f. 2, 

 2a; n'elb. 1. 110. f. / . 



n. Sides ivithout membranous frincje or tentacula. Shell not 



vMAv &Ji>^r^. w*'^*^*^--^-*-^?^^^^'**' Fam. 6. Neritinidce. 



y^^ irov^ -C-»-vT^-^ 'xTceth, central few, with numerous lateral hooks, like the former 



i/^X,^ C/uCt^'y^*^^ ftunihes. — Loven, t. 6. f. 5. 



a. Operculum horny, with a shelly coat on each side; edye channeled. 

 ■^^^j^^^^^^^^^~^-__ 1. Nerita, n. 1()1. 



liTtu^^'^^hlTh -^ • ^ plicata, Quoy, t. 45. f. fi. 

 I li 2. N. all)i(Tlla, Quoy, t. 45. f. 5. 

 3. N. exuvia, Vuvier, t. 44. f. 7- 



/ 4. N. . Dunar, Jf/ansoH, t. 4 4. f. 5, (). 



^ Zu/9 1 55/tl,5. N. ascensionis, Quoy, t. 44. f. 4. 



