372 PROCEEDINGS OF THE ACADEMY OF [April, 



*Corbula gregorioi Cossmann. 



C. gregorioi Cossm., Dall, Trans. Wagner Inst., Ill, p. 843.. 



A Claibornian Eocene species reported by Dall from the Gatun beds. 



♦Corbula heterogenea Guppy. 



C. heterogenea Guppy, Dall. Trans. Wagner Inst., Ill, p. 850. 

 Vamos-a-Vamos (Dall). 



*Corbula viminea Guppy. 



C. viminea Guppy, Dall, Trans. Wagner Inst., Ill, p. 850. 

 Vamos-a-Vamos (Dall). 



TEREDID^L 

 Teredo dendrolestes n. sp. Text fig. 3 ; PI. I, fig. 10. 



The thin- walled tubes are crowded,, run with 

 the grain of the wood, as usual, curving outward 

 at the orifice. They have a diameter of about 

 5 mm., the longest (broken) reaching a length of 

 about 60 mm. The terminus of the tube is hemi- 

 spherical. It encloses a very delicate shell shaped 

 ....-•' like the annexed outline figure. There are long 

 apophyses. The exterior of the shell is unknown, 

 Fig. 3. being cemented to the calcified tube. 



SOLENlD^!. 



♦Solecurtus gatunensis Toula. 



Solecurtus gatunensis Toula, Jahrb., p. 732, PL 28, fig. 12. 



*Solecurtus strigillatus (L.). 



Solecurtus (Macha) strigillatus L., Toula, Jahrb., p. 731, text fig. 11, PL 27., 

 fig. 12. 



*Thracia gatunensis Toula. 



Thracia gatunensis Toula, Jahrb., p. 757, text fig. 15. 



Reference to Plates XXII- XXIX. 



Plate XXII. — Fig. 1. — Terebra loolfgangi Toula. 

 Fig. 2. — Terebra gatunensis Toula. 

 Figs. 3-6. — Terebra wolfgangi Toula. 

 Fig. 7. — Terebra subsulcifera n. sp., X 2. 



Figs. 8, 9. — Terebra gansapata n. sp., two views of the type, fig. S, X 5. 

 Fig. 10. — Area dariensis n. sp. 

 Fig. 11. — Teredo dendrolestes n. sp. 



Plate XXIII. — Fig. 1. — Conus molis n. sp. 



Figs. 2, 3. — Conus gaza n. sp. (Santo Domingo). 



Fig. 4. — Conus imitator n. sp. 



Figs. 5, 6. — Conus concavitecbum n. sp. 



Fig. 7. — ■Drillia fusinus n. sp. 



