218 PROCEEDINGS OF THE ACADEMY OF [DeC, 



It is related to T. ccecoides (Tate), but differs by the more ele- 

 vated shape, the altitude exceeding the diameter. 

 Drymaeus dombeyanus (Pfr.). 



In a variety from Guadalajara, Jalisco, the last 2 or 2| whorls 

 are white, the preceding 2 having some indistinct brown spots; 

 lip and interior white; the spire is longer and aperture smaller than 

 in the typical form. 



Length 55, length of aperture with peristome 33 mm.; nearly 7 

 whorls. 



Another variety from the same neighborhood resembles D. dunkeri 

 forreri (Mouss.) in shape and coloration, but has the coarse sculpture 

 of dornheyanus. It is streaked copiously with dull purplish brown, 

 with scattered whitish spots on the streaks. Lip broadly expanded, as 

 in dombeyanus. This variety may be called D. dombeyanus ornatus. 



Length 41, diam. 22, aperture 24 mm. 

 u 43 a 26 " 27 " 



Brachypodella subtilis pulchella (Martens). 



This shell, which Mr. Hinkley has obtained in large numbers in 

 the mountains west of Livingston, Guatemala, is not a form of 

 B. morini as I formerly supposed. It is closely related to B. sub- 

 tilis (Morel.), from which it differs by the smaller size and decidedly 

 stronger sculpture. As in B. subtilis, the early whorls are smooth, 

 while in B. morini they are finely striate. B. subtilis, of which I 

 have an author's specimen, was described from northern Guate- 

 mala, and pulchella from Livingston. • 

 Succinea panamensis n. sp. PI. XI, fig. 4. 



The shell is narrowly ovate with produced spire, pale yellow, not 

 very glossy, with uneven sculpture of striae and low folds. Whorls 

 2f to nearly 3, those of the spire convex, the last whorl weakly con- 

 vex above, strongly so l)elow the periphery. Aperture symmet- 

 rically ovate. 



Length 13.3, diam. 4.5, length of aperture 5.7 mm. 



Panama (Capt. Field); Las Cascades, C. Z. (Dr. A. P. Brown, 

 J910). Type and paratypes, 48,522 A. N. S. P. 



I formerly identified this as "S. recisa Morel.?," but having now 

 seen specimens of Morelet's species from the type locality, it is easy 

 to see that the Panamic species is different. There are 26 speci- 

 mens in the two lots, the largest 14.6 mm. long. As I cannot exactly 

 match the form with any of the numerous Central American or 

 Mexican species, it seems best to descrilje it as new, in order to have 

 a name for the particular form of the Canal Zone. 



