146 PROCEEDINGS OF THE ACADEMY OF [Feb., 
Fig, 2—S.micra. Detail of same specimen showing the epiphallus extended. 
Fig. 3—S. micra. No 94,330. X 4. Penis normally retracted, with 
detail of end of the papilla. 
Fig. 4—S. virilis Pils. Specimen from Station 11, Cave Creek Canyon. 
xX 2. No. 94,332. 
Fig. 5—Sonorella virilis leucura Pils.and Ferr. X 2. White Tail Canyon, 
Station 4. No. 94,331. The twisted condition of the penis is an acci- 
dental or individual peculiarity of this specimen. 
Fig. 6—S. virilis. X 2. Cave Creek, Station 13. No. 94,335. With 
detail of opposite side of the vagina 
Prate VI—Figs. 1, 2, 3—Oreohelix barbata Pils. An adult and two immature 
individuals from the head of Turkey Creek. 
Fig. 4—O. barbata. Less fully sealed form with blunt periphery. Head 
of Rucker Canyon, Station 10A. 
Figs. - 6, 7—O. barbata minima Pils. and Ferr. Rucker Canyon, Station 
113A, 
PiaTe VII—Figs. 1, 2, 3, 4—Ashmunella lepiderma n. sp. White Tail Canyon, 
Station 11. 
Figs. 5, 6, 7—A. lepiderma. Station 17. 
Pirate VIII—Figs. 1-S—Ashmunella duplicidens Pils. 
Pirate I[X—Figs. 1, 2—Ashmunella esuritor Pils. Near Barfoot Park, Station 
2. No. 92,205. Elevated specimen. 
Figs. 3—Pine Canyon, No. 97,930. Elevated specimen. 
Figs. 4, 5—Near Barfoot Park. No. 92,205. Depressed specimen. 
Figs. 6, 7, 8—East side of Barfoot Park. No. 94,432. Diameter 164 mm. 
Fig. 9—Ashmunella metamorphosa Pils. Aperture of type specimen. 
No. 88,885. 
Pirate X—Fig. 1—Ashmunella chiricahuana (Dall). Falls of Cave Creek. 
No. 97,427 A. N.S. P. 
Fig. 2—Ashmunella esuritor Pils. E. side Barfoot-Park. No. 94,432. 
Fig. 3—Ashmunella esuritor. Topotype. *No. 92,205. 
Fig. 4—Ashmunella chiricahuana (Dall). Head of Cave Creek, near Long 
Park. No. 94,430. 
Fig. 5—Ashmunella esuritor Pils. E. side Barfoot Park. No. 94,432. 
Fig. 6—Ashmunella angulata Pils. Cave Creek Canyon. No. 87,020. 
Fig. 7—Ashmunella ferrissi Pils. Topotype. No. 97,925. 
Fig. 8—Ashmunella duplicidens Pils. Head of Morse Canyon. 
Fig. 9—Ashmunella proxima emigrans Pils. Cotype. No. 99,604. 
Pirate XI—Figs. 1, 2, 3, 4—Holospira arizonensis Stearns. Topotypes from 
Dos Cabezas Cave. No. 99,700 A. N.S. P. 
Figs. 5, 6, 7, 8S—H. arizonensis emigrans n. subsp. ‘Head of West branch 
of Big Emigrant Canyon. No. 99,701 A. N.S. P. 
Figs. 9, 10, 11, 12—H. arizonensis. .Form from Station 2, Big Emigrant 
Canyon. No. 99,702 A. N.S. P. 
Pirate XII—Figs. 1, 2—Holospira cionella Pils. Two cotypes. No. 87,117. 
ANS SeP, 
Fig. 3—H. cionella. Form from Goodwin Canyon. No. 99,710 A. N.S. P. 
Figs. 4-S—H., cionella. Forms from Bull Hill, near Fort Bowie. No. 99,709 
ASN Ser: 
Figs. 9, 10, 11, 12—H. cionella. Forms from Limestone Mountain. No. 
97,424, A. N.S. P. 
Figs. 13, 14, 15, 16—H. cionella. Forms from below Paradise. No. 99,726 
Ay NSS 27: 
PLATE XIII—Figs. 1, 2—Holospira cionella intermedia P. and F. White Tail 
Canyon, Station 4. No. 99,717. 
