286 PROCEEDINGS OF THE ACADEMY OF [Mch., 



Fig. 12. — Oreohelix clappi Ferriss. Early whorls. X 6. Sculpture is very 



imperfectly shown. 

 Fig. 13. — Oreohelix yavapai Pils. Young shell, showing embryonic whorls 



and about one-third of the first neanic whorl. X 6. 

 Figs. 14, 15. — Oreohelix strigosa Gld. Pecos, N. M. Uterine young. X 6. 



The very fine, even spiral striation is not sufficiently enlarged to be 



visible in the reproduction, though shown in the photograph ; the 



radial ripples are also largely lost. 



Plate XII, Figs. 1-4. — Ashmunella rhyssa Dall. Sierra Blanca. Nos. 73,561 



and 73,575. 

 Figs. 5, 6. — Ashmunella rhyssa miorhyssa Dall. Sierra Blanca, New Mexico. 



No. 73,577. 

 Figs. 7, 8. — Ashmunella rhyssa hyporhyssa Ckll., larger form. James Can- 

 yon, Cloudcroft, New Mexico. No. 89,201. 

 Figs. 9-13. — A. r. hyporhyssa Ckll. James Canyon, Cloudcroft. No. 83,345. 

 Fig. 14. — Ashmunella altissima Ckll. Co-type. Summit of Sierra Blanca. 



No. 73,558. 

 Figs. 15, 16. — Ashmunella pseudodonta Dall. White Oaks, New Mexico. 



No. 73,589. 

 Figs. 17, 18. — A. pseudodonta Dall. Capitan Mountains, New Mexico. No. 



79,529. 

 Figs. 19, 20. — Ashmunella ashmuni Dall. Bland, New Mexico. No. 73,599. 

 Figs. 21-23. — A. pseudodonta capitanensis A. and C. Capitan Mountains, 



New Mexico. No. 74,556. 

 Figs. 24-26. — A. ashmuni robusta Pils. Bland, New Mexico. No. 73,576. 



Plate XIII, Figs. 23-26. — Ashmunella esuritor Pils. Types. 



Figs. 27, 28. — Ashmunella thomsoniana (Ancey). Part of the original lot, 

 from J. H. Thomson. Santa Fe Canyon, New Mexico. Nos. 58,113 

 and 58,114. 



Fig. 29. — A. thomsoniana. Specimen from Monument Rock, Santa F6 Can- 

 yon. Prof. Cockerell and Miss Porter. No. 77,870. 



Fig. 30. — A. thomsoniana. Santa Fe Canyon. E. H. Ashmun. No. 76,709. 



Figs. 31-34. — .4. thomsoniana (Anc). Las Vegas Hot Springs, New Mexico. 

 Nos. 84,293, 80,750 and 83,946. Fig. 34 is a co-type of A. t. cooperce 



Figs. 35-37. — A thomsoniana (Anc). Canyon Diablo, near Rowe, New 



Mexico. No. 84,295. 

 Fig. 38. — A. t. pecosensis Ckll. Type. Valle ranch, Pecos, New Mexico. 



No. 84,209. 

 Figs. 39-41. — A. t. porterce Pils. and Ckll. Sapello Canyon, San Miguel 



county, New Mexico, 8,000 feet altitude. No. 81,983. 

 Figs. 42, 46. — A. t. porterce P. and C. Co-types. Beulah, Upper Sapello 



Canyon. No. 76,789. 

 Figs. 4^45. — A. t. porterce P. and C. Pecos, New Mexico. No. 85,099. 



Plate XIV, Figs. 47-49. — Ashmunella levettei angigyra Pils. Types. Con- 

 servatory Canyon, Huachuca Mountains. No. 83,269. 



Figs. 50, 54. — A. I. angigyra. Brown's Canyon. No. 87,093. 



Figs. 51-53. — A. I. angigyra. Foothills, Bear Canyon. No. 89,202. 



Figs. 55-57. — Ashmunella angulata Pils. Types. South fork of Cave 

 creek, at base of mountain, Chiricahua Mountains. No. 87,019. 



Fig. 58. — A. angulata. South fork of Cave creek, under cliffs; sho^VTng weak 

 upper branch of the parietal tooth. No. 87,015. 



Figs. 59, 60. — A. angulata. Cave Creek Canyon. No. 87,020. 



Fig. 61. — A. angidata. Cave Creek Canyon. No. 87,111. 



Fig. 62. — Ashmunella mearnsi Dall. Huachuca Mountains. No. 65,736. 



Figs. 63, (>JL.—Ash7nuneUa angidata Pils. Falls of Cave Creek. No. 87,112. 



Figs. 65, 66. — Ashmunella proxima Pils. Types. Sawmill Canyon, Chiri- 

 cahua Mountains. No. 86,498. 



Figs. 67-69. — Ashmunella fissidens Pils. Cave Creek Canyon, Chirica- 

 hua Mountains. Types. No. 87,022. 



Figs. 70, 71. — -4. proxima. Topo types. No. 87,102. 



