154 



CONCHOLOGY. 



C. lamellosus. 

 C. exiguus. 

 C. hyaena. 

 C ammiralis. 

 C. papilionaceus. 

 C. Promethseus. 

 C. Suratensis. 

 C. ranunculus. 

 C. achatinus. 

 C. stramineus. 

 C. lacteus. 

 C. vicarius. 

 C. orchraceus. 

 C. Mediterraneus. 

 C. Magellanicus. 

 C. pontificalis. 

 C. sponsalis. 

 C. Ceylonenis. 

 C. pusillus. 

 C. asper. 

 C. miles. 

 C. genu anus. 

 C. siamensis. 

 C. glaucus. 

 C. monachus. 

 C. anemone. 

 C. cinereus. 

 C. zebra. 

 C. cingulatus. 

 C mercator. 



C 



C. strigatus. 

 C. mitratus. 

 C. aulicus. 

 C. colubrinus. 

 C. auricomus. 

 C. rubiginosus. 

 C. praelatus. 

 C. fumigatus. 

 C. luzonicus. 

 C. verrucosus. 

 C. mindanus. 

 C. pusio. 

 C. madurensis. 

 C. cancellatus. 

 C. cserulescens. 

 C. Taitensis. 

 C. tinianus. 

 C. crocatus. 

 C. glans. 

 C. nussatella. 

 C. clavous. 

 C. pennaceus. 

 C cervus. 

 C. dux. 



C. steicus-muscarum. 

 C. tendineus. 

 C. melancholicus. 

 C. episcopus. 

 C. pyramidalis. 

 C. abbas, 

 gloria-maris. 



FAMILY XXri. 



Nautilacea. Two genera. 



1. Genus Spirula. PI. XII. 



Animal. Body elongated, cylindrical, terminated posteriorly 



by two lateral lobes partially concealing the shell ; head provided 



