-A) / 



pj' 



79 W . 



• Fam. 13. Architectomidce. 



Foot moderate, for walking. Teiitacula near together, nearly nnited 

 at their base, over the retractile trunk. Gill-cavity divided by a 

 longitudinal fold. 



1. Architectoma, n. 200. Oper. ovate, flat, fevv-whorled ; 



tentacle grooved beneath. 



1. A. perspectiva. Solarium p., Quoy, t. 41. f. 5; Eydoux, t. 126. 

 f. 2. 



2. ToRiNiA, n. 200. Operculum circular, elevated, conical, of 



many whorls. <5i-w-^<«-«^ a^ /if^ u-ut-'i^ .^^C ^^uM- 



1. T. cvlindrica. Solarium variegata, Quoy, t. 41. f. 3. . i 



14. TWplnnrfiflYP. " 



Fani. 14. Melaniadce. 



/'/4^W^v^'^'U 



/n-M, 



Gill single, composed of rigid cylindrical plates ; mantle torn on 

 the edge. Tentacula lateral. Trunk annulated, produced, not re- 

 tractile. 



a. Shell white. Oper. ovate, subspiral, Rissoina. 



-^^ 1. RissoA, n. 209. Foot with single dorsal posterior process. yv4i-^,'v u k > :■ 



i % '■ ,1. R. auriscalpium, Philippi, t. 125. f. 13. ,, 



^Jt^ ; 2. R. parva? Turbo rissoanus, Chiaje, t. 123. f. 8. 



, ., / 3. R. monodon, Philippi, t. 125. f. 9. 

 % u^^ '.^4 j^ ? inconspicua. Alder, t. 125. f. 5. 



^^A-;< 



mconspicua, 



2. Skenea, n. 213. ~ 

 1. S.?? at^omus. Ti'uncatella a., Philippi, 1. 125. f. 15. 



b. Shell olive. Melaniana. 



y^'^ »4^i^>i-r 



HAV 



5%^^' 



* Operculum ovate, subspiral. 



3. Melania, n. 215. Often viviparous. 



1. M. armarula, Eydoux, t. 127 a. f. 6. 



2. M. setosa, Quoy, t. 55. f. 2, 11. 



3. M. virgulata, Eydoux, t. 127 a. f. 8. 



4. M. erythrostoma, Quoy, t. 55. f. 3. 



5. M. celebensis, Quoy, t. 55. f. 4. 

 G. M. truncatuta, Quoy, t. 55. f. 5, 12. 



7. M. uniformis, Quoy, t. 55. f. 6. 



8. M. spinulosa, Quoy, t. 55. f. 7- 



9. M. costata, Quoy, t. 55. f. 8. 



10. M. granifera, Quoy, t. 55. f. 9. 



11. M. molluccensis, Quoy, t. 55. f, 10. 



4. ViBEX, n. 221. 



1. V. aurita. Melania aurita, Rang, t. 54. f. 8. 



2. V. Owenii. Melania tuberculosa, Rang, t. 54. f. 1. 



5. Faunus, n. 229. 



1. F. ater. Pirena terebralis, Quoy, t. 55. f. 1. 





I 



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