195 



being wholly black, there are bands of yellow. [One variety is the 

 A. bicolor of Dr. Jay.] 



Stomatella [Gena] concinna. T. parvula, auriformis, tenuis, 

 striis regularibus rosaceo catenatini pictis cincta ; labio postice dis- 

 juncto, revoluto ; columella obsolete perforata ; intus rosacea, nitida. 

 Long. \ ; lat. ^ poll. Hab. Sandwich Islands. 



Trochus [Collonia] verruca. T. parva, sohda, globoso-conica, 

 nitida plus minusve rosacea ; anfr. 6 rotundatis, ultimo costulis vol- 

 ventibus 12 subequalibus, maculis saturatioribus catenatim signatis 

 cincto : apertura circularis ; columella planulata, antice sub-producta ; 

 umbilico parvo. Long. \ ; lat. \ poll. Hab. Sandwich Islands. 



Its specific name suggests its general appearance. 



Trochus [Monodonta] gemmatus. T. parva, conico-globosa, 

 rubella vel cinerascens ; anfr. 4 rotundatis, ultimo costulis ad 10, e 

 granulis nitidis interdum radiatim saturatioribus compositis, cincto ; 

 sutura canaliculata ; umbilico expanso, canali et carina circumdato : 

 apertura rotundata, basi plicato, ringente ; labro costulis crenulato, 

 intus sulcato. Long, A- ; lat.i poll. Inhabits Sandwich Islands. 



[Belongs to the genus Eucheles Phil.] 



Columbella palumbina. T. ovato-turbinata, nitida, albida fer- 

 rugineo marmorata, et transversim lirata : apertura ringens ; labro 

 inhVxo, denticulato ; columella biplieata, granulosa, interdurn rosaceo 

 tincta. Long, f ; lat. ^ poll. Sandwich Islands. 



Like C. turturina, but much smaller, and having regular revolving 

 threads, instead of stria?, always developed near the tip, and pro- 

 longed more or less backwards. 



Cypr^ea [Trivia] gemmula. T. parva, ovato-globosa, nitida, 

 costulis numerosis interdum divaricantibus undique elegantissime 

 rugosa ; dorso minime sulcato ; colore rubida, dorso utrinque maculis 

 duabus rosaceis fere" confluentibus, lateribus rosaceo aspersis, subtus 

 alba, apicibus rosaceo tinctis. Long, A ; lat. ^ poll. Sandwich 

 Islands. 



Closely allied to C. tremeza Duclos. 



Achatinella radiata. T. solida, ovato-conica, lineohs castaneis 

 flavidis et albidis longitudinahter picta, interdum fascia mediana vel 

 basali alba, cincta, subumbilicata ; anfr. 6 convexis ; sutura marginata, 

 albida : apertura ovata, peristomate reflexo, flavido ; phca lata. 

 Long. | ; lat. -^ poll. Sandwich Islands. 



In size and marking it somewhat resembles Bui. radiatus, but the 

 lines are finer and more numerous. [It is A. dubia and A. grisea Pfr., 

 Bui. Gouldi Pfr., Partula denselineata. Rv.] 



Achatinella rubens. T. elongato-ovata, crassa, straminea, 



