288 
PROCEEDINGS OF THE ACADEMY OF [Mch., 
Pirate XIX.—Anatomy of Oreoheliz. 
Fig. 1.—Oreohelix strigosa, from Pecos, New Mexico. Pallial complex. 
Fig. 2.—0. elrodi (Pils.). 
Fig. 3.—O. strigosa (Gld.), from Pecos, New Mexico. 
Fig. 4.—O. chiricahuana Pils. 
Fig. 5.—O. barbata Pils. 
Fig. 6.—O. s. huachucana Pils. 
Fig. 7—O. yavapai Pils. Penis. 
Fig. 8.—0O. clappi Ferriss. 
Fig. 9.—O. y. neomexicana Pils. Penis. 
Puate XX [all figures X 2], Fig. 10.—Sonorella hachitana bowiensis Pils. Penis 
opened to show papilla. Bowie, Arizona. No. 86,497. 
Fig. 11.—S. h. bowiensis Pils. Genitalia of same specimen. 
Fig. 12.—Sonorella hachitana (Dall). Genitalia of individual from Florida 
Mountains, New Mexico. No. 86,496. The penis-papilla shows 
faintly through. 
Fig. 13.—Sonorella rowelli (Newc.). Penis opened to show papilla. San- 
ford’s, Arizona. No. 83,273. 
Fig. 14.—S. rowelli (Newe.). Genitalia of same individual. 
Fig. 15.—Sonorella hachitana ashmuni (Bartsch). Opened penis of a speci- 
men from Purtyman’s ranch, Oak creek, New Mexico. No. 79,409. 
Fig. 16.—Sonorella granulatissima Pils. 6‘ organs, showing epiphallus and 
flagellum of one of the type specimens. Spring Canyon, Huachuca 
Mountains. 
Fig. 17.—S. granulatissima Pils. Genitalia of same individual. 
Fig. 18.—S. granulatissima Pils. Opened penis of same individual. 
Fig. 19.—Sonorella virilis circumstriata Pils. Genitalia of No. 87,026. Cave 
Creek Canyon. 
Fig. 20.—Sonorella rowelli (Newe.). Terminal ducts of genitalia of a small 
form from the Patagonia Mountains, Arizona. No. 83,268. 
Fig. 21.—Sonorella virilis Pils. Opened penis of type specimen. Chiricahua 
Mountains. No. 79,622. 
Fig. 22.—S. virilis Pils. Genitalia of same specimen. 
PLATE XXI.— Genitalia of Ashmuwnella. 
Fig. 23.—Ashmunella duplicidens Pils. %23. No. 87,024. 
Fig. 24.—Ashmunella proxima Pils. X23. No. 86,498. 
Fig. 25.—Ashmunella esuritor Pils. Exserted penis. 
Fig. 26.—Ashmunella angulata Pils. 2%. No. 87,015. 
Fig. 27.—Ashmunella metamorphosa Pils. 2. No. 88,885. 
Fig. 28.—Ashmunella l. angigyra Pils. X23. No. 83,269. 
Fig. 29.—Ashmunella chiricahuana Pils. 2. No. 87,021. 
Fig. 30.—Ashmunella esuritor Pils. 2%. No. 87,023. 
PuiatTe XXII, Figs. 1, 2, 3.—Oreohelix strigosa, variety from Pecos, New Mexico. 
1. Central tooth r, with three laterals; 2. Group of marginal teeth at 
the edge of radula; 3. Lateral and transitional teeth. 
Fig. 4.—Oreohelix clappi Ferriss. Central and two lateral teeth of a co-type. 
Fig. 5. Oreohelix strigosa hwachucana Pils. Group of lateral and transi- 
tional teeth of a type specimen. 
Fig. 6.—Oreohelix barbata Pils. Central tooth with laterals i-iii, vi and vii 
of a co-type. 
Fig. 7.—Oreohelix yavapai Pils. Co-type. Group of lateral and transitional 
teeth, with a central tooth on the extreme right. 
Fig. 8.—Ashmunella metamorphosa Pils. Central with two adjacent lateral 
teeth of a type specimen. 
Fig. 9.—Ashmunella angulata Pils. No. 87,015. Group of transitional and 
marginal teeth. 
Figs. 10, 11.—Ashmunella chiricahuana (Dall). Group of central and lateral 
teeth and two groups of marginal teeth of a typical specimen. 
Fig. 12.—Ashmunella levettei angigyra Pils. Conservatory Canyon, Hua- 
chuca Mountains. Half row of teeth, some of the marginals omitted. 
