NO. lO AMERICAN SPECIES OF LEPIDOCYCLINA VAUGHAN 47 



near Tampico, Tamaulipas, Mexico, collected by T. W. Vaughan. 

 Fig. I, vertical section, X 20, showing the heavy pillars and re- 

 stricted lateral chambers. Fig. 2, horizontal section, X 20. 

 Figs. 3-5. Lepidocyclina parvtila Cushman. Three specimens from locality 

 M30V, Transcontinental Railroad, 5 km east of Los Naranjos, Can- 

 ton of Tuxpan, Vera Cruz, Mexico, collected by T. W. Vaughan 

 and D. R. Semmes. Fig. 3, vertical section, X 20, of a microspheric 

 specimen. Fig. 4, section of pillars, X 20. Fig. 5, horizontal 

 section, X 20, cutting a part of the equatorial plane of a probably 

 microspheric specimen. 



Plate 9 



Lepidocyclina {Lepidocyclina) parvnla Cushman. 

 Figs, i, 2. Surface views, X 5, of three specimens. Topotypes from U.S.G.S. 



locality no. 6862, lower bed at Hodges Blufif, Antigua, collected by 



W. R. Forrest. 

 Fig. 3. Six specimens, X 5, from 7 km east of Los Naranjos, Vera Cruz, Mexico. 

 Fig. 4. Six specimens, X 10, from 7 km east of Los Naranjos, collected by D. R. 



Semmes. 



Plate id 



Figs. 1-6. Lepidocyclina {Lepidocyclina) paruiila Cushman, collected by W. R. 

 Forrest. Fig. i, surface view, X 10, from altitude 100 feet, Lynch 

 Cliff, Antigua. Fig. 2, X 10, Hudson Cove, Antigua. Fig. 3, X 10, 

 the other side of the specimen represented by fig. i. Fig. 4, surface 

 view, X 10, from tilted beds east of Lynch's, Antigua. Fig. 5, 

 horizontal sections, X 20, of a specimen similar to the one repre- 

 sented by fig. 4, from tilted beds east of Lynch's, Antigua. Fig. 6, 

 surface views of two specimens, X 6, from Lynch Path, altitude 

 150 feet, Antigua. 



Fig. 7. Lepidocyclina {Lepidocyclina) parvula Cushman, var. crassicosta 

 Vaughan and Cole, n. var., surface view, X 10, of the type from 

 Mercer's Creek, Antigua, collected by W. R. Forrest. This speci- 

 men has a central knob from which six arms radiate. It is an 

 extreme form, but it should be compared with the upper of the 

 two specimens illustrated in fig. 6 and with other specimens re- 

 ferred to L. parvula. 



Fig. 8. Lepidocyclina antiguensis Vaughan and Cole, n. sp., surface view, X 10, 

 of the type from ridge southeast of Freetown, altitude 200-250 

 feet, Antigua, collected by W. R. Forrest. 



Figs. 9, 10. Lepidocyclina {Lepidocyclma) giraudi R. Douville. Surface views, 

 X 10, of two topotypes from Martinique Island, French West 

 Indies, collected by J. Giraud. 



Plate ii 



Figs. 1-3. Lepidocyclina {Lepidocyclina) yurnagunensis Cushman from U.S. 

 G.S. locality no. 7548, west side of Yateras River, about 2^ miles 

 south of Yuraguana, Cuba, collected by O. E. Meinzer. Fig, i, 



