26 Binney on Terrestrial MoUusks. 



Genus ACHATINA Lamarck. 



ACHATINA CALIFORNICA Pfeiifek. 

 Plate LXXIX. Figure 19. 



Testa subulata, tenuis, oblique oonfertissime rugoso-striata, cereo-al- 

 bida: anfr. 12-13, sunimi convexi, 3-4 ultimi planati, ultimus 1-6 longitu- 

 dinis pauIo superans, basi acute carinatus, infra carinam subexcavatus ; 

 columella arcuata, basin attingens, incrassata, subtruncata ; apertura sub- 

 tetragona ; perist. simplex, aciitum. Long. 23, diam. Z^ mill. Ap. 4 mill, 

 long. 2i lata. (Pfr.) 



Achatina Californica Pfeiffer, Symb. ad. Hist. Hel. 3, p. 89; Mon. Hel. Viv. 



ii. 2G7, iii. 501. 

 Reeve, Con. Icon. 115, (Mar. 1850). 



Remarks. I have not seen this species, which is said 

 to inhabit " Monterey, California." The figure I have 

 given is a copy of Reeve's reduced to the natural size 

 of the shell. 



extra limital. 



Genus GLANDINA Schumacher. 

 Glandina Alhersi, Pfeiffer, and 



G. turris, Pfeiffer, are included by Carpenter in the Catalogue 

 of the Riegen Collection, (p. 175). 



FAMILY AURICULACEA. 



SUB-FAMILY MELAMPEA. 



Genus MELAMPUS Montfort. 



MELA3IPUS OLIVACEUS Cakpentek. 

 Plate LXXIX. Figuke 8. 



]M. t. parva, sublaevi, conoidea, spira depressii, infra suturam indis- 

 tinctam obscure angulata ; albida, fusco-purpurco iirogulariter tesselata, 

 epiderme adha>rente, obivacea induta ; anfr. 7 vix mostrantibus, planatis; 

 apertura longa, angusta, ad marginom fusco-purpurea, intus alba ; labro 

 ad marginem acuto, intus dentate, dentibus in liras acutas, in adulta 

 saepe obsoletas, decurrentibus ; labio tenui, plica una parietali, transver- 

 sa, inter denticulas duas sita, in juniore denticulis numerosis intus condi- 

 tis ; columella plica una oblicpia, ad basin excurrente ; parietibus internis 

 in adulta absorptis. (Carpenter, 1. o.) 



