NO. 1483. 



UR COPTID MOLL USES— B A R TSCH. 



Ill 



individual. The two adults have 8i and 9 whorls remaining, and 

 measure: Length, 72.3 mm. and 67.8 mm.; diameter of penultimate 

 whorls, 18.4: nmi. and 17.3 nmi., respectively. 



EUCALODIUM (OLIGOSTYLUS ) WALPOLEANUM Fischer and Crosse. 



There are three lots of this species in the collection. Cat. No. 32078, 

 two specimens collected by F. Sarg-, with the locality label Guatemala. 

 Two, Cat. No. 162308, LT.S.N.M., from Coban, Guatemala, collected by 

 Godman, and one, Cat. No. 117157, U.S.N.M., collected at the last 

 locality b}' C. M. Wheatley. The last two have a decidedly stronger 

 spiral sculpture and are also of lighter color than the preceding three 

 specimens. There are two oval white eggs with Cat. No. 32078, 

 U.S.N.M., which have the entire surface uniformly granidose and 

 measure : Length, 5.8 mm. ; diameter, 3. 5 mm. The five shells measure : 



MeamremenU of Eiicalod'mm (Oligostylus) walpoleanum. 



Cat. No. 



32078 

 32078 

 162308 

 162308 

 117157 



EUCALODIUM (OLIGOSTYLUS) HIPPOCASTANEUM Dall. 



The type and twa specimens. Cat. No. 186137, U.S.N.M., collected by 

 E. W. Nelson, at San Sebastian, Jalisco, Mexico. The type has 6i 

 whorls and measures: Length, 19 mm. ; diameter of penultimate whorl, 

 9.7 mm. The other two have 8 and 7i whorls, respectively, and 

 measure: Length, 31.1 mm., and 29.1 mm.; diameter of penultimate 

 whorl, 10 mm. and 9.1 mm. 



EUCALODIUM (OLIGOSTYLUS) DENSECOSTATUM Strebel. 



Two specimen^ Cat. No. 73877, U.S.N.M., collected by the Geo- 

 graphic Commission at Mizantla, Mexico. These specimens have 9 

 and 8 whorls, respectively, and measure: Length, 38.3 mm. and 35.8 

 mm.; the diameter of penultimate whorls in both cases is 10.1 mm. 



EUCALODIUM (OLIGOSTYLUS) SPECIOSUM BOUCARDI Pfeiffer. 



There are two s|)ecimens of this form in the collection. Cat. No. 

 25033, U.S.N.M., labeled Mexico. The largest has 9i, the other 8f 

 whorls. They meaaire: Length, 52.9 mm., and 18.7 mm. ; their penul- 

 timate whorls have a diameter of 8.1 mm., and 7.3 mm., respectively. 

 Proc. N. M. vol. XXX i— 06 8 



