SHAAV : ON SOWEltBY S " CONCHOLOGICAL ILLUSTRATIONS. 



339 



Differences between the original and the reprinted catalogues — 



Original. 



Ko. 9. Cauc. iitdeiitata nobis : Conch. 

 lUust., f. 9, jnn. ; f. 10, adult; 

 Z.P., 18;J2, p. .54. 



Shell oblong, cancellated, brown ; 

 spire rather short, acuminated ; volu- 

 tions six, cross-ribbed, ribs nodulose 

 at their junctions; aperture ovato- 

 oblong, oblique, effuse near the anterior 

 extremity, canal in front rather length- 

 ened ; peritreme indented ; columella 

 with three plaits, the lower plait very 

 small, distinct in the young specimen, 

 the two lower plaits united and forming 

 a large callosity in the adult ; imibilicus 

 small, with a distinct margin : length 

 1-3, breadth 0-7. 



Of this species Mr. Cuming found 

 two young specimens on the shore at 

 Panama ; a full-grown individual is in 

 my collection. 



No. 12. Z.P., 1832, Octr. 



No. 13. A single specimen was dredged 

 by Mr. Cuming in sandy mud at 

 Panama. 



No. 48. Delpliimdii frigoiwstoma, Ijom., 

 vii, pt. ii, p. 231. 



*Lamarck's C. sciiticosa,C. citharella, 

 and C. Zicrvogeliaita do not belong to 

 this genus ; the first is a PJios, the 

 second an Oiiiscin, and the last a Mttra. 

 His C. scalariformis is entirely unknown 

 to me. 



(As a footnote to p. 2 of the 

 Catalogue.) 



Reioriiit. 

 Cane, hidentata nobis: Conch. Illust., 



f. 9, test. jun. ; f. 10, adult; Z.P., 



1832, p. 54. 

 Panama. 



Z.P., 1832. 



Sandy mud at Panama. 



Mr. Cuming. 



Delphiniila trigonostoma, Lam. vi, pt. ii, 

 p. 281. 



Obs. Lamarck's C. senticosa, C. 

 citharellii, and C. Zicrrogeliaiid do not 

 belong to this genus ; the first is 

 a Phos, the second an O/iiscia, and the 

 last a Mttra. His C. scalarifurmis is 

 unknown to the author. 



(As an Observation, on the "Corrected 

 listof Figui-es," p. 8 of the Catalogue.) 



The differences between the original and tlie reprinted catalogues 

 are in most cases of little or no importance, but uJiere tliey do exist 

 it has been thought advisable to notice them. 



Besides the differences in tlie catalogues of the two geiu'ru just 

 mentioned, the remaining reprints differ in tlie following wav Irom the 

 originals : — 



jimpliidesiiia. In the original Catalogue there is no "List of Figures," and 

 sp. No. 11 reads " Chemn. xi, f. 1941, 1942," while in the reprint it is 

 "Chemn. xi, f. 1931, 1932." 



Cancelhria. In the original Catalogue there is no 



Chiliiia. ,, ,, ,, ,, 



Ebtirna. ,, ,, ,, ,, 



Enlima. ,, ,, ,, ,, ' 



Monoccros. ,, ,, ,, ,, 



KkckIii. ,, ,, ., ,, ' 



P/ilunis \ I 



Neritina ( 



The followin<. 

 part : — 



CyprcBU^ Parts 121, 122. "OBS. Ail the species contained in 

 these two parts, excej)ttesh{(li)iari((, are new (see Gaskoin, in Zoological 



' Corrected Tiist of Figures." 

 ' List of Figures." 



■ List of Figures." 

 Corrected List of Figures." 



■ Corrected List of Figures." 

 List of Figures." 



have not seen the original catalogues as they appear to have been 

 published after part IGO. 



notes appear on the small list jjublished with each 



