442 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 50 



4. Venericardia planicosta Lamarck. Cat. No. 164,973, U. S. N. M. 

 Exterior view of left valve ; longitude, 84 mm. Eocene, Little 

 Falls, Washington. This is the most widespread and characteristic 

 Eocene species in the world. 



5a. Turritella (martinezensis Gabb, var. ?) lompocensis, new variety. 

 Cat. No. 165,316, U. S. N. M. Paratype. Back view of basal frag- 

 ment; altitude, 30 mm. Southwest of Lompoc, in San Miguelite 

 Canyon ; locality No. 4509. 



5&. Basal view of same specimen. 



6a. Pecten (Chlamys ?) yneziana, new species. Cat. No. 165,313. Type. 

 View of exterior of imperfect disk; altitude, 64 mm. San Julian 

 ranch, 10 miles southeast of Lompoc; locality No. 4507. 



6b. View of hinge of right valve of same species ; length, 25 mm. 



7. Turritella uvasana Conrad. Cat. No. 165,326, U. S. N. M. Aperture 



view of imperfect specimen ; altitude, 68 mm. San Julian ranch, 

 southeast of Lompoc ; locality No. 4507. Characteristic of the 

 Tejon of the Pacific Coast. 



8. Turritella (martinczensis Gabb, var. ?) lompocensis, new variety. 



Cat. No. 165,316, U. S. N. M. Type. View of back; altitude, 68 

 mm. Same locality as fig. 5a. 



Plate LI I 



Vaqueros (Lozver Miocene) Fossils 



Fig. 10. Purpura vaqucroscnsis, new species. Collection of Delos Arnold. 

 Type. Aperture view ; altitude, 100 mm. Lynch Mountain, Monte- 

 rey County. 

 lb. Back view of same specimen. 



2. Modiolus ynezianus, new species. Cat. No. 165,324, U. S. N. M. 

 Type. View of exterior of right valve, X 2. San Julian ranch, 

 southeast of Lompoc ; locality No. 4504. 



Plate LIU 



Vaqueros {Lower Miocene) Fossils 



Fig. 1. Pecten (Pecten) vanvlecki, new species. Cat. No. 165,305, U. S. N. 

 M. Type. View of exterior of right valve; altitude, 64 mm. 

 Mouth of Ballard Canyon, 2 miles south of Santa Ynez ; locality 

 No. 4478. 



2. Pecten (Pecten) vanvlecki, new species. Cat. No. 165,306, U. S. 



N. M. Paratype. View of exterior of left valve ; altitude, 72 mm. 

 Same locality as fig. 1. 



3. Pecten (Chlamys) sespeensis, var. hydei Arnold. Cat. No. 165,308, 



U. S. N. M. View of exterior of left valve; altitude, 60 mm. 

 Mouth of Ballard Canyon, south of Santa Ynez ; locality No. 4478. 

 This species is apparently characteristic of the Vaqueros. 

 4a. Tcrcbratalia kennedyi Dall. Cat. No. 165,325, U. S. N. M. View of 

 exterior of ventral valve; altitude, 26 mm. Lime quarry 5 miles 

 southwest of Lompoc; locality No. 4521. The specimens from this 

 quarry are indistinguishable from the type of T. kennedyi, which 

 came from Cerros Island, Lower California. 



