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By Clyde E Goulden

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Additional resources for The systematics and evolution of the Moinidae

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Moina affinis Birge. A. Male from roadside ditch five miles east of Strong City, Kansas, on Old Highway 50, 18-VII-65. B. Male first leg from slide number 197a of Birge Collection; no locality or date given. C. Male antennule (medial view) from New Orleans, Louisiana, 18-IV-04 (Birge Collection slide No. M/14). D. Lateral view of same antennule as C. , three miles S. of Temecula, May, 1935 (S. F. Light Collection No. , large pond on Valley Springs, Stockton Road, 20 miles E. Stockton, 14-V-51 (S.

T h e first leg of t h e male h a s a g r e a t l y reduced hook a n d lacks t h e exopod with its long seta. T h e p o s t a b d o m i n a l claw of t h e male has a pectén of m a n y thin short t e e t h . T h e spermatozoa are small round cells. DESCRIPTION Richard (1895: p p . 195-198) wierzejskii as follows (fig. 17) : described Moina La longueur moyenne des femelles adultes [fig. 17, B~\ oscille autour de 1mm (en general elle est de l m m l 5 ) . La forme genérale est lourde comme celle de M.

Moina dubia de Guerne and Richard, 1892. Rufisque, Senegal. Two co-type specimens of this species were found in the slide collections of E. A. Birge, and the original plankton collection which included many specimens was found in the Birge collections. Unfortunately, neither males or ephippial females were [TRANS. AMER. P H I L . SOC. collected. Therefore, we must rely on Gauthier's (1954) description of the ephippium and the males of this form. It is apparent that dubia is quite similar to the typical micrura specimens.

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