130 HERTLEIN AND STRONG 



Localities: Albemarle Island, Loc. 27221 (C.A.S.), 50 adult and a 

 number of young specimens; Indefatigable Island, Loc. 27232 (C.A.S.), 



1 adult and several young specimens. 



Family Pyrenidae 



Pyrene castanea (Sowerby) 

 Locality: Albemarle Island, Loc. 27221 (C.A.S.), 5 adult and many 

 young specimens. 



Pyrene fuscata (Sowerby) 

 Albemarle Island, Loc. 27221 (C.A.S.), 25 specimens; Chatham 

 Island, Loc. 27227 (C.A.S.), 2 specimens; Indefatigable Island, Loc. 

 27232 (C.A.S.), 4 specimens; Charles Island, Loc. 27233 (C.A.S.), 



2 specimens and Loc. 27238 (C.A.S.), 2 specimens. 



Pyrene haemastoma (Sowerby) 



Plate A, Fig. 10 



Locality: Albemarle Island, Loc. 27221 (C.A.S.), 3 specimens. 



Pyrene lucasana (Dall) 

 Locality: Tower Island, Loc. 27231 (C.A.S.), 9 specimens. 



Mitrella ocellata baileyi (Bartsch & Rehder) 

 Localities: Albemarle Island, Loc. 27221 (C.A.S.), 20 specimens; 

 Indefatigable Island, Loc. 27232 (C.A.S.), 50 specimens. 



"This form is much darker than the typical Nttidella guttata Sow- 

 erby, which comes from Panama." (Bartsch & Rehder.) 



Microcithara uncinata (Sowerby) 

 Localities: Albemarle Island, Loc. 27221 (C.A.S.), 10 specimens; 

 Indefatigable Island, Loc. 27232 (C.A.S.), 2 specimens. 



Anachis atramentaria (Sowerby) 

 Localities: Albemarle Island, Loc. 27221 (C.A.S.), 35 specimens; 

 Tower Island, Loc. 27231 (C.A.S.), 40 specimens; Indefatigable Island, 

 Loc. 27232 (C.A.S.), 14 specimens. 



Anachis incerta (Stearns) 

 Localities: Albemarle Island, Loc. 27221 (C.A.S.), several hundred 



