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PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXXII. 



2. FITZROYA LINEATA Jenyns. 



Hahitat. — Rio Grande do Sul; Montevideo and Maldonado to the 

 Province Salta, Argentina. 



3. PHALLOPTYCHUS " Eigenmann, new genus. 



An outer series of spoon-oar shaped teeth and bands of mucli smaller 

 teeth behind them. 



Fig. 6.— Distal parts of the intromittent organ of Phalloptychus januaeius. ^, The organ 



AS it is normally found; £, unfolded; (a, THIRD ANAL RAY; 6, FOURTH ANAL RAY; C, FIFTH 

 ANAL RAY). C, THIRD ANAL RAY, j VIEW, D, FIFTH ANAL RAY, ENLARGED. 



First and second anal ray of the male minute, the third, fourth, and 

 fifth much prolonged. The anterior part of the third ray folded back, 

 the fifth, and part of the fourth folded forward, forming a slender tube 

 at tips; no claspers, the organ ending in a simple point; third ray with- 

 out hooks or spines, fourth with very strong, retrorse hooks behind 

 these being turned forward in the folded organ, (See fig. 6.) 



Intestine about twice length of fish. 



Type of genus. — Girardinus januarixis Hensel. 



a cpaXXoz intromittent organ, Ttxvzzoo {itrv^) to fold. 



