ABT. 8 THE FORAMINIFERA GENUS LEPIDOCYCLINA — ^VATJGHAN 5 



EXPLANATION OF PLATES 

 Platb 1 



Lepidocyclina forresti, new species 



Figs. 1-3. Cotypes from east of Lynch Point, Willoughby Bay, Antigua. Figs. 

 1 and 2, views of the surfaces of specimens, X 1.8. The larger speci- 

 men in Fig, 1 is probably a microspheric individual. Fig. 3, embry- 

 onic and equatorial chambers, X 18.3. 

 4. Paratype from Long Island, Antigua. Horizontal section of a micro- 

 spheric individual, X 18.3; shows pillars in the umbonal region, sur- 

 face reticulations, and equatorial chambers. 



Plate 2 



Lepidocyclina forresti, new species 



Figs.' 1, 2. Cotypes, macrospheric individuals, from east of Lynch Point, Wil- 

 loughby Bay, Antigua. Fig. 1, vertical section, X18.3. Fig. 2, 

 embryonic chambers, X 18.3. 

 3, 4, 5. Paratypes from Long Island, Antigua. Fig. 3, macrospheric individ- 

 ual, embryonic and equatorial chambers, X18.3. Fig. 4, micro- 

 spheric individual, vertical section, X18.3. Fig. 5, peripheral 

 portion of a specimen, probably microspheric, X18.3. 

 6. Embryonic chambers of a specimen from Rifle Butts, Antigua, U. S. 

 G. S. locality No. 6854 . 



Plate 3 



Fig. 1." Lepidocyclina mantelli (Morton) Gumbel, as usually accepted; vertical 

 section of part of a microspheric test, X 18.3. U. S. G. S. locality No. 

 2636, Wayne County, Miss, 



2a,'2&. Lepidocyclina mantelli (Morton) Gumbel, var.; two parts of the same 

 vertical section of a microspheric test. Fig. 2b joins the lower part of 

 Fig. 2a, X18.3; U. S. G. S. locality No. 6729, Marianna limestone, 

 Perdue Hill, near Claiborne, Ala.; probably topotype of L. mantelli. 

 3. Lepidocyclina supera (Conrad) H. Douvill6; vertical section of a micro- 

 spheric topotype, X18.3; Byram marl, U. S. G. S. locality No. 3722, 

 Vicksburg, Miss. 



Plate 4 



Fios. 1, 2. Lepidocyclina mantelli (Morton) Gumbel, var., macrospheric forms. 

 Fig. 1, embryonic and equatorial chambers, X 18.3. Fig. 2, vertical 

 section, X18.3. U. S. G. S. locality No. 6729, Marianna limestone, 

 Perdue Hill, near Claiborne, Ala.; probably topotypes of L. man- 

 telli. 

 3, 4, 6. Lepidocyclina miraflorensis Vaughan, from U. S. G. S. locality No. 

 6255, half a mile south of Miraflores Station, Panama Canal Zone. 

 Fig. 3, horizontal section, X 18.3, to show equatorial chambers and 

 surface reticulations. Figs. 4, 5, vertical sections, X18.3. 



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