80 CLASS III. GASTEROPODA. ORDER VI. PULMOBRANCHIATA. 
become decollated, the first few whorls falling off in consequence of the 
animal having withdrawn itself from that part of the spire. 
Examples. 
Pl. CLXXII. Fig. 1. 
Buuimus Reevir*, Cuming, MSS. 
Helix Reevii, Broderip, Proceedings Zool. Soc., 1841, p. 34. 
Pl. CLXXII. Fig. 2. 
Buximus Diana, Broderip, Proceedings Zool. Soc., 1840, p. 157. 
Pl. CLXXII. Fig. 3. 
Butimus Bono.ensts, Broderip, Proceedings Zool. Soc., 1840, p. 158. 
Pl. CLXXII Fig. 4. 
Buximus FuLcETRUM, Broderip, Proceedings Zool. Soc., 1840, p. 119. 
Pl. CLXXII. Fig. 5 and 6. 
Buuimus sicotoratus t, Lea, Trans. American Phil. Soc., vol. vil. p.459. 
plLil £78. 
Bulimus Alberti, Broderip. 
Pl CLXXTH Bie, 1: 
Bucimus Ficrixis, Broderip, Proceedings Zool. Soc., 1840, p. 96. Sow- 
erby, Jun., Conch. Illus., f. 115 and 116. 
* In arranging the Colimacea after the method proposed by De Férussac, this species might 
be considered as the type of the new subgenus of Helices, suggested by Mr. Broderip, under 
the title of Helicobulimus. 
+ This shell was described by Lea of Philadelphia as well as by Broderip in the course of 
last year; and as Mr. Lea’s description was exhibited at a meeting of the Zoological Society 
of London before that of Mr. Broderip was printed, the title of bicoloratus should be fol- 
lowed. 
