PLATE XXIX. 



Fig. i. Pcctcn /loii'iit-iu-iisis Dall, exterior of left or flat valve ; hit. 36 mm. ; p. 713. 



Fig. 2. Pcctcn oca/anus Dall, left valve ; lat. 36 mm. ; p. 756. 



Pig. 3. Pec ten Gabbi Dajl, right valve ; lat. 53 mm. ; p. 717. 



.Fig. 4. I'cctcn \yi//c7i.tfi Dall, right valve ; alt. 19111111.; p. 737. 



Fig. 5. I'cctcn cborens var. scncscens Dall, left valve ; lat. 63 mm. ; p. 751. 



Fig. 6. Pcctcn opuntia Dall, left valve ; alt. 33 mm. ; p. 707. 



Fig. 7. Pinna c/uadrata Dall, exteVna* view of anterior portion of internal cast ; Ion. 



56 mm. ; p. 660. 



Fig. 8. Pfctcn subvcntricosus Dall, left valve ; lat. 63 mm. ; p. 707. 



Fig. '9. Pcctcn c/iipolanus Dall ; lat. 25.5 mm. ; left valve ; p. 733. 



Fig. 10. Pcctcn Kavi-iifli Dall, right or convex valve ; lat. 48 mm. ; p. 721. 



Fig. I I. Alrina Harrisii Dall, exterior of decorticated right valve ; alt. 150 mm. ; p. 663. 



Fig. 12. J'cctcn caloosaensis Dall, right valve ; alt. 64 mm. ; p. 731. 



924 



