MOLLUSCA GASTKROPODA. 433 



keels, margin of aperture thick, surrounded externally with a lamella, umbi- 

 licus wide ; 25 millim. Madagascar. 



In Philippi's Abbilduugeu there are figured, Cydostoma Cumerianum, 

 Petit, indicum, Desh., variegatum, Valeuc., new species, from Java, and 

 r,n'.ricanum, Menke. 



On the same plate, besides Steganotoma picta* Troschel, a new species 

 of that genus, Sleg. Princepsi, v. d. Busch, also from Bengal, is figured. 



Pupina aurea and mitis (Ann. x, p. 83) are figured by Hinds. (Voy. of 

 Sulphur.) 



Ampullaria malleata, Jonas (Meuke, Zeitsch. p. 35), from Mexico. 



CTENOBRAXCHIA. 



Paludina seminalis (Ann. x, p. 83) is figured by Hinds (Sulphur). Phi- 

 lippi Abbild. V. tab. 1, contains 15 Paludinse : magnified, Conrad, pyrami- 

 itnta, v. d., Busch, new species, from Bengal, tricarinata, Anton, angularis 

 (Nerita) Miiller, javanica, \. d. Busch, from Java, ponderosa, Say, decisa, 

 Say, Integra, Say, georgiana, Lea, obtuse/, Troschel, unicolor, Olivier, Fran- 

 cisci, Wood (conica, Troschel), gramim, Meuke, coronata, Pfr., crystallina, 

 Pfr. 



Deshayes describes (Gueriu, Magas. pi. 83) a Melania oremdaris, from the 

 Philippines, which has much similarity to M. amarula. 



R. Briusley Hinds (Annals, xiv, p. S) has instituted 17 new species of 

 Melania. They are figured in the Voyage of the Sulphur. Among them 

 are 10 species from New Ireland, six from the Fee-jee Islands, one from 

 California. 



Three new Melanin, by Jonas (in Meuke, Zeitsch. p. 49) : M. Gruneri, 

 from Venezuela, porcata, from Manilla, cingulata. 



In Philippi Abbild. vii, tab. 3, 15 Melania are figured, among which the 

 following are new : M. semicancellata, unthracina, and intermedia, v. d. 

 Busch, the latter from Nicaragua; acuminata, harpula, mitra, sad. Jlammi- 

 gera, Dunker (the latter, from the Ganges, appears to me to be identical with 

 M. adspersa, Troschel), flavida, Dunker. 



Philippi describes (Eiiurn. p. 137) three new species of Chemnitzia : dense- 

 costata, obliquata, and gracilis. 



Rissoa elata, Philippi (Euum. 124); R. venusta, ib., from Venice; ^?. 

 scabra, ib. ; R. aspera, ib. ; R. coronata, Scacchi, ib. ; R. Ehrenbergii, ib., 

 from Cattaro; R. obscura, ib., was sent to the author under the name 

 of R. obscura, Beuz., a name already applied, R. dictyophora, R. rudis, 



' Philippi will have it that Steganotoma, like Cydostoma, and Pleurotoma, 

 is neuter. But Steganotoma. and Pleurotoma, being formed from ro/uj, inci- 

 sion, are of the feminine gender. 



28 



