WR. ALDER ON" THE MOLLTJSCA. 





1862. 1 1863. 



1864. 



Remarks. 





9 *H 



3 a 





a 



id 



2 a 



a 



C8 





^ M 



Sfi i J3 3 



,£) 



■5£ 



•° s 







°£ & B -^ T - 











o 3 



On .h h 



o 



|J 



S 

 n 



Aporrhais pes-pelecani, Linn. 



* 



1 * 



# 



# 



* 1 



Turritella conmiunis, Risso . 



* 



* 1 * 



# 



# 



* E Common. 



Scalaria Trevelyana, Leach . . 



* 



* I * 



# 



# 



• 



Rissoa inconspicua, Alder . . 





* 1 









punctata, Mont 



-* 









* 





cimicoides, Forbes . . 



* 



. . 1 . . 













* 



<■ . J 







# 



. . 1 Ditto. 



parva, Da Costa .... 





.. 1 . . 







# 



. . | In sballow wa- 







1 







* 





Lacuna vincta, Mont 



. 





. . 1 Dead. 

















# 



One specimen. 



Trochus cinerarius, Linn. . . 













# 



# 



Living in 40 fa- 

 thoms. 



millegranus, Phil. . . 



* 





* 







# 





Rather common 



Montagu!, Gray . . 



* 





* 







* 





Rare. Two alive 



tumidus, Mont. ... 



* 





* 







& 



# 



Common. 



Zizyphinus, Linn. . . 



* 





* 





# 



# 



# 





Emarginula reticulata, Soiv. 



* 





* 







* 







Puncturella Noachina, Linn. 



* 



* 



* 







# 







Pileopsis Hungaricus,ZeVw . . 



* 





* 







# 





Small, & dead. 



Acmsea virginea, Mull 







* 







* 





Rare. One livg. 

















in 40 fathoms. 



Dentalium entale, Linn. . . . 



* 



* 



* 



* 



* 



* 



Common. 













* 







ruber, Linn 













* 



















* 





One specimen 

 (living). 





* 



* 



* 







* 







marmoreus, Fab. . . 





, , 



* 







* 







lsevis, Penn 







* 













Tornatella fasciata, Lam. . . 



* 



* 









* 









* 













* 





Rare. 



Cylichna cylindracea, Penn, . 





* 











* 







strigella, Loven . . . 



* 

















One specimen. 



truncata, Adams 















* 







unibilicata, Mont. . . 



* 



* 

















Philine quadrata, 8. Wood . . 





* 















Rare. 





* 



* 











* 





















* 







Johnstoni, Aid. § Han. 

















* 







pilosa, Midi 

















* 





Very large. 



Idalia aspersa, Aid. 8; Sane 



* 





















Tritonia Hombergii, Cuv. 







• p 









# 





Small. 



















* 



. . | Rare. 



plebeia, Johns 



* 















* 



• • s 



Dendronotus arborescens,Jfw. 



* 















* 



. . J 



Doto fragilis, Forbes 









# 







* 



• • 1 



Hero formosa, Loven 









* 









1 One specimen. 





* 















! 



Drummondi, Thomp. . 



* 

















.. 





