PART II. 



SYNOPSIS AND DESCRIPTIONS OF SUBGENERA AND SPECIEvS." 



SYNOPSIS OF SUBGENERA AND SPECIES. 



Page. 



Class PELECYPODA 45 



Order FRIOyoDESMA i'EA 45 



8uperfamily PECTINACEA 45 



Family Pectinid.e 45 



(lenus Pecten MCiller 45 



Subgenus Pecten s. s. Miiller 48 



Patinopecten Dall 48 



Nodipecten Dall 49 



Chlarays Bolten 49 



Ly ropecten Conrad 49 



jEquipecten Fischer , 49 



Plagioctenium Dall .'50 



Pseudaxnusium H. and A. A(laIu^' 50 



Aniusiuni Bolten .50 



Pnipeamusium Gregorio 50 



H innites Def ranee ,50 



Eocene Pectens 51 



P. (Chlaniys) calkinsi n. sp 51 



P. ( Chlamys ) laudesi n. sp 51 



P. ( Chlamys ) proavus n. sp 52 



P. ( Propeamusium) interradiatus Gabb 53 



Oligocene Pectens ,54 



P. ( Pecten ) sanctsecruzensis n. sp 54 



P. (Chlamys) branneri n. sp .55 



P. (Pseudaniusium) peckhami Gabb .56 



P. (Propeamusium) clallamensis n. sp 57 



P. (Propeamusium) waylandi n. sp 58 



Miocene Pectens 59 



P. (Pecten ) carrizoensis n. sp 59 



P. (Pecten) keepi n. sp 60 



P. (Pecten) sanctsecruzenais n. sp. (persists from Oligocene) 60 



P. (Patinopecten) coosenais 8humard 61 



P. (Patinopecten) dilleri Dall (?) 62 



P. (Patinopecten ) oweni n. sp 63 



P. ( Patinopecten ) propatulus Conrad 64 



P. (Chlamys) branneri n. sp. (persists frciiii (.)ligocene) 55 



P. (Chlamys) fucanus Dall 66 



P. (Chlamys) hamlini n. sp 67 



P. (Chlamys) hastatus var. hericius Gould 110 



P. (Chlamys) nutteri n. sp 67 



P. (Chlamys) sespeensis n. sp 69 



P. (Chlamys) sespeensis var. hydei n. var 69 



aThe description of each species will be found under the heading of the epoch in which the species is first known 

 to occur. Any species persisting into a following cpocli will be listed in the synopsis also under the heading of the 

 latter with an explanatory note. 



41 



