404 MOLLUSKS OF THE GALAPAGOS STEARNS. 



103. Fissurella viresceus Sby. 

 Beach shells. 



Ohatham Island. One .jiiuioi' in <iood condition (Mus. No. 1221ir)). 



l>r. Jones obtained five small speeiuieus at this island. 



104. Fissurella iiigropuuctata 81»y. 



= F. vireacensShy., var. 



Beaeh exami^les. 



Chatham Island. v)iu' junior in jiood condition (Mns. Xo, 122114). 



Genus FISSURIDE A S\vainsou = GLYPHIS Carpeutei, uou Agassiz. 

 105. Fissuridea iuaequalis Sby. 



Beai'li shells in various conditions. 



Hood, liulefati.uable ami Chatham islands, mostly from the first 

 (Mns. Nos. 102;>(;7 and 122122). 



In my list of Dr. Jones's South American shells, this species and alia 

 were erroneously placed iu Mr. Pilsbry's geuus LncapincUa. 



106. Fissuridea inaequalis vSby. var. pica Sby. 



Beach s]H'cinuMi. 



ludefati liable Island. A single example (Mus. Xo. 122121 ). Mr. Tils- 

 bry is presumably right iu assigning this to a varietal position. 



107. Fissuridea saturnalia (pr. 

 Beach specinuMi. 

 Chatham Island, two examples (Mus. Xo, 122123). 



Suibelass ISOF»LEl^TRA. 



Order POLYPLACOPHOR A. 

 Superlaiiiily EOCKITONI^V. 



Family LOrHYKID.E, 

 Geuus CHITON s. s. 



108. Chiton Goodallii Hiod. 



Beach, fragments and live s])ecimens, 



Chatham and Albemarle Islands, one living example from each; In- 

 defatigable, a single (anterior) i^late (Mus. No. 102451). Suggests in a 

 general way C. magnijicas. 



109. Chiton sulcatus, Wood. 



Beach, valves, also living examples. 



Indefatigable Islands, i)ortion of i)osterior plate. Charles Island, 

 three living specimens. Hood Island, one worn median valve of a 

 very large individual (Mus. No. 102350). 



