1921] 



NATURAL SCIENCES OF PHILADELPHIA. 



488 



Figs. 23. 24. — Amauropsis burnsi meridionalis n. subsp. Length 23.3 mm. 

 Figs. 25-27. — Amauropsis guppyi (Gabb). Lengths 32, 28, 38 mm. 



Type. 



Plate XXXV 

 Fig. 2.- 

 Fig. 3.- 

 Fig. 4.— 

 Fig. 5.— 

 Fig. 6. 

 Fig. 7. 

 Fig. 8. 

 Fig. ?,. 

 Fig. 10. 

 Fig. IL 

 Fig. 12.— 

 Fig. 13. 

 Fig. 14. 



— Fig.l. — Mangilia dominicensis (Gabb). 

 Alabina canaliculata (Gabb). Type. 

 Alabina angustior n. sp. Type. 

 Bitlium asperoides (Gabb). Type. 

 Aclis bartschiana Pils. & Johns. Type. 

 Melanella gabbiana Pils. & Johns. Type. 

 Melanella astuta Pils. & Johns. Type. 

 Strombiformis ischnon Pils. & Johns. Type. 

 Strombiformis sarissiformis Pils. & Johns. Type. 

 Strombiformis prwlubrica Pils. & Johns. Type. 

 Alaba maoensis (Gabb). Type. 

 Bittium. yaquense (Gabb). Type. 

 Pyramidella forulata famelica Pils. & Johns. Type. 

 Pyram,ideUa canaliculata Gabb. Type. 



Plate XXXVI.— Fig. 1.- 

 Fig. 2.~Tiirbonilla 

 Fig. 3.—Turbonilla 

 Fig. 4. — Turbonilla 

 Fig. 5. — Turbonilla 

 Fig. Q.— Turbonilla 

 Fig. 7. — Turbonilla 

 Fig. 8. — Turbonilla 

 Fig. 9. — Turbonilla 

 Fig. 10.— Turbonilla 

 Fig. n.— Turbonilla 

 Fig. 12.— Turbonilla 

 Fig. 13.— Turbonilla 

 Fig. 14. — Odostomia 

 Fig. 15. — Odostomia 

 Fig. 16. — Odostomia 



Type. 



Type. 



—Turbonilla turritelloides Gabb. 

 beatula Pils. & Johns. Type. 



dominicensis Gabb. Type. 

 santodomingensis Pils. & Johns. 

 galeata Pils. & Johns. Type. 

 perosqua Pils. & Johns. Type. 

 angustula Pils. & Johns. Type. 

 aratibadllum Pils. & Johns. Type. 

 insititia Pils. & Johns. Type. 

 undecimcostaia Pils. & Johns. Type. 



pertenuis Gabb. Type. 

 coniexta Pils. & Johns. Type. 



egressa Pils. & Johns. Type. 

 cyclocephala Pils. & Johns. Type. 

 bartschiana Pils. & Johns. Type. 

 mogindo n. sp. Type. 



Plate XXXVIl. — Figs. 1, la, lb. — Teinostoma angulaium (Gabb). Type. 

 Figs. 2, 2a, 2b. — Teinostoma depressum (Gabb). Type. 

 Figs. 3, 3a, 3b. — Teinostoma vitreum (Gabb). Type. 

 Figs. 4, 4a. — • Vitrinella amosbrowni n. sp. Type. 

 Figs. 5, 5a. — Vitrinella naso Pils. & Johns. Type. 

 Fig. 6. 6a. — Circulus domingensis Pils. & Johns. Type. 

 Fig. 7. — Circulus domingensis Pils. & Johns. Base of a more perfect speci- 

 men. 



Plate XXXVIIl. — Fig. 1, la. — Leda extricala Pils. & Johns. Type. 

 Fig. 2. — Phacoides pupulus Pils. & Johns. Tj'pe. 

 Fig. 3. — Phacoides perplexus Pils. & Johns. Type. 

 Fig. 4. — Crassinella guppyi radiata n. subsp. Type. 

 Fig. 5. — -Nucula tuberculata Gabb. Type. 

 Fig. 6. — Nucula tenuisculpta Gabb. Type. 

 Fig. 7. — Crenella diuturna Pils. & Johns. Type. 

 Figs. 8, 9. Pandora inconspicua Gabb. Type and paratype. 

 Fig. 10. — -Cuspidaria gabbi Pils. & Johns. Type. 

 Fig. 11. — Cuspidaria ornatior Pils. & Johns., variety. 

 Fig. 12. — Cuspidaria ornatior Pils. & Johns. Type. 



Plate XXXIX.— Figs. 1, 2.— Area bonaczyi (Gabb). Type. 

 Figs. 3, 4. — Area pennelli Gabb. Type. 

 Figs. 5, 6. — Area proletaria Pils. & Johns. Type. 

 Figs. 7, 8, 9. — Area intumulata Pils. & Johns. Type and paratype. 

 Fig, 10. — Area tolepia saxea Pils. & Johns. Type. 



