24 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 89 



Cushman, L. trinitatis DoiuTlle, D. (Astcrocyclina) astcrisca 

 (Guppy). It is evidently upper Eocene. 



Wiedenmayer (68) stated that the genus Discocyclina did not occur 

 in the Cerro Campaiia Hmestone and placed the latter in the OHgocene. 



This Species appears to be rather closely related to a form which 

 was obtained near Calita Sal, Department of Piura, Peru, and was 

 described by Berry (2, pp. 405-407, pi. i), as D. (Asterodiscocyclina) 

 stezvardi. new genus and new species, but it differs from the latter 

 species in important respects. It has distinct Astcrocyclina arms, al- 

 though they are small and often broken off, and its test is thicker 

 than that of D. {Asterodiscocyclina) stezvardi Berry. 



Genus LEPIDOCYCLINA Gumbel 

 LEPIDOCYCLINA (LEPIDOCYCLINA) CANELLEI Lemoine and R. Douville 



Plate 5, figs. 4, 5, 6, 7, 8 



Lepidocyclina cancUci Lemoine and R. Douville (30, p. 20, pi. i, fig. i ; pi. 3, 



fig.5). 

 Lepidocyclina candid Cushman (15, p. 75, pi. 32, figs. 1-5). 

 Lepidocyclina {Lepidocyclina) candid Vaughan (47, p. 797, pi. 33, fig. 4. 57, 



pp. 290-291, pi. 49, figs. 1-5, 7-9)- 



Test small, discoid ; diameter about 2.8 mm ; thickness about 0.75 

 mm, or approximately one fourth the diameter. Test composed of a 

 large, low, evenly curved swelling, surrounded by a thin, narrow 

 collar, increasing in thickness toward the periphery ; surface of test 

 evenly covered by very small papillae. Only the megalospheric form 

 was observed. 



Embryonic apparatus composed of two small equal chambers, di- 

 vided by a straight wall ; diameter of embryonic apparatus in a 

 horizontal plane about 220 by 260 /x ; peripheral wall about 14 jx thick. 

 Embryonic apparatus in ^-ertical section about 240 /x high and about 

 260 fx long. 



Equatorial chambers in horizontal section are distinctly hexagonal, 

 slightly increasing in size from center toward the periphery; near 

 the center radial diameter about 55 /a ; tangential diameter about 40 fi ; 

 near the periphery radial diameter about 80 /x ; tangential diameter 

 about 60 fx. The chamber walls are relatively thin, measuring about 

 5 fx. Roofs and floors perforated by cribriform perforations about 

 I. o IX in diameter. Equatorial chambers in vertical section are rec- 

 tangular; height of chambers near center about 50 /x; radial diameter 

 about 35 fx; height at periphery about 100 /u.; radial diameter about 

 75 l^- 



