871 



Cerith. testa puppeformi, irregulari, breviuscula, irregulariter 

 monilifera, varie picta ; anfractibns medio subvcntricosis ; apertura 

 plerumque contract^ alba vel purpurea. 



Eather variously coloured, pupaeform, irregularly beaded, with 

 the last whorl and aperture generally contracted, sometimes purple. 

 Mr. Cuming has many varieties from the Philippines. 



93. Cerithium Traillii (pi. clxxxii. f. 173, 174), Nobis. 



Cerith. testa C. variegato simili, sed solidiore, magis pyramidali, 

 labio externo crasso. 



This is like some varieties of C. variegatum, but it is more re- 

 gularly formed and pyramidal, and does not show the same ten- 

 dency to contract in the lower whorls. Singapore, M. Traill. 



94. Cerithium petrosum (pi. clxxxii. f. 171, 172), Wood, 

 Supp. pi. 4. f. 9. 



Cerith. testa C. variegato simili, sed ventricosa, anfractibus 

 tubcrculatis. 



Much shorter and more ventricose than C. variegatum, with large 

 tubercles on the upper part of the whorls. East Indian Archi- 

 pelago. 



95. Cerithium inflatum (pi. clxxxii. f. 170), Quog et Gai- 

 marcl, Voy. de l'Astr. t. 3. p. 130, pi. 55. f. 10 ; Kien. pi. 7. f. 1 ; 

 Cerith. Bitteheusti ? Petit, Journ. de Conch. 



Cerith. testa ovato-ventricosa, tuberculosa, subplicata, tenuis- 

 sime transversim striata, nigra; apertura ampla, subrotunda, albo 

 et fusco striata; canali brevi, truncato. 



The figure is copied from Kiener. Africa. 



96. Cerithium eerrugineum (pi. clxxxiii. f. 176, 177, 178), 

 Say, Amer. Conch, pi. 49, f . 2 ; C. variabile et C. versicolor, C. 



B. Adams, inclusis ? 



Cerith. testa parva, fusca, longitudinaliter plicata, spiraliter no- 

 dulis nigrescentibus cincta, ; apertura parva ; labio externo crasso. 



A rather narrow, but solid shell, with darkly coloured tubercles 

 in spiral rows on the longitudinal plica;. Had. America. We can- 

 not distinguish the species of the other American author, excepting 

 as varieties. The specimens, fig. 176 and 178, are in Mr. Hanley's 

 collection. Fig. 177, from Mr. Cuming's collection, represents 



C. versicolor, C. B. Adams. 



97. Cerithium patulum (pi. clxxix. f. 74), Nobis. 



Cerith. testa irregulariter varicosa, dorso elevata, brevi, fusca ; 



5 x 



