PARTULA, SAMOAN ISLANDS. 269 



Partula tryoni Hartman (pi. 31, fig. 5) is a zebrina in 

 which the cream-white markings are reduced to mere flecks. 

 While this color-pattern may possibly be characteristic of a 

 local race, it is surely nothing but a form of P. zebrina. I 

 have figured the type specimen (no. 4261 Carnegie Mus.). 

 It was erroneously supposed to be from the Solomon Islands. 



Partula actor Albers differs in no respect from zebrina. 

 The type figure is copied, pi. 31, fig. 10. 



57a. Var. recluziana Petit. PI. 31, figs. 9, 13, 16. 



"Shell rimate-perf orate, ovate-conic, buff-brown orna- 

 mented with irregular whitish, sometimes zigzag spots. Spire 

 short, obtuse; whorls 4, a little convex, the last longer than 

 the spire. Aperture oblong-oval; lip expanded, white. 

 Length 20mm." 



Samoan Is.: Tutuila (Schmeltz). 



Partula recluziana PETIT de la SAUSSAYE, Journ. de 

 onchyl. i, 1850, p. 170, pi. 7, f. 5. cf. MOUSSON, J. de C. 

 1869, p. 339. 



This form differs from P. zebrina by its larger last whorl 

 and shorter spire. Whether it is a true race or merely a 

 phase of individual variation I have not the means of deciding. 

 Fig. 9 is copied from that of Petit. Figs. 13, 16 represent 

 specimens before me, measuring 



Length 19.9, diam. 12.2, aperture 13, whorls 414. 



Length 18, diam. 12.5, 'aperture 11.8, whorls 4. 



In fig. 16 the white spots and stripes follow the direction of 

 growth-lines, and stand on a corneous-brown ground. In fig. 

 13 the flecks and spots are mainly lengthened in a spiral di- 

 rection, but arranged in oblique series ; the ground being very 

 dark brown. The whole shell is marked with spiral lines, as 

 in P. zebrina. 



58. P. EXPANSA Pease. PL 32, figs. 12, 13, 14. 



The shell is broadly and deeply umbilicate, obliquely ovate, 

 rather thin, lusterless ; gray, marked with opaque white bands 

 or spots, which descend spirally and obliquely forward. Spire 



