230 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 22 



Fig. I. Circulus bakeri Strong & Hertlein, new species. View of the top of the 

 specimen shown on plate 21, figures 14 and 15. (Page 240.) 



Fig. 2. Circulus nicholsoni Strong & Hertlein, new species. Holotvpe, No. 714 

 (Calif. Acad. Sci. Paleo. Type Coll.), from Loc. 27,228 (C.A.S.), 

 dredged in from 3 to 9 fms. off Taboga Island, Panama. Height, 0.8 

 mm; greater diameter, 3.1 mm. (Page 241.) 



Fig. 3. Circulus nicholsoni Strong & Hertlein, new species. Apertural view of 

 the specimen shown in figures 2 and 4. (Page 241.) 



Fig. 4. Circulus nicholsoni Strong & Hertlein, new species. Basal view of the 

 specimen shown in figures 2 and 3. (Page 241.) 



Fig. 5. Delphinoidea hannai Strong & Hertlein, new species. Holotype, No. 721 

 (Calif. Acad. Sci. Paleo. Type Coll.), from Loc. 27,229 (C.A.S.), 

 dredged in from 3 to 9 fms. in Bahia Honda, Veragua, Panama. 

 Height, 0.4 mm; greater diameter, 1.0 mm. (Page 242.) 



Fig. 6. Delphinoidea hannai Strong & Hertlein, new species. View of the top 

 of the specimen shown in figures 5 and 7. (Page 242.) 



Fig. 7. Delphinoidea hannai Strong & Hertlein, new species. Basal view of 

 the specimen shown in figures 5 and 6. (Page 242.) 



Fig. 8. Delphinoidea hambachi Strong & Hertlein, new species. Holotype, No. 

 720 (Calif. Acad. Sci. Paleo. Type Coll.), from Loc. 27,228 (C.A.S.), 

 dredged in from 3 to 9 fms. oif Taboga Island, Panama. Height, 0.7 

 mm; greater diameter, 3.2 mm. (Page 243.) 



Fig. 9. Delphinoidea hambachi Strong & Hertlein, new species. View of the 

 top of the specimen shown in figures 8 and 10. (Page 243.) 



Fig. 10. Delphinoidea hambachi Strong & Hertlein, new species. Basal view 

 of the specimen shown in figures 8 and 9. (Page 243.) 



