24 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.64. 



four dates in September: (1) numerous; (2) 2, length 15 mm.; (3) 

 29; (4) few. On one date in October: 10, length 30 mm. 



(U.S.N.M., Helm. Coll. 7674.) 



1923. Five rays examined on 4 dates, 2 in July and 2 in August : 1, 

 7, 10 with scoleces and a few strobiles with scoleces missing, 3, 6. 

 Each pair of bothria pedicelled ; bothria bordered with small loculi ; 

 auxiliary acetabulum small and not easily seen ; it appears to be one 

 of the loculi with thickened, muscular border; maximum length, in 

 sea water, 100 mm. 



Raja stahuliforis. 



Cestodes collected by Mr. Edwards on different dates from the 

 barn-door skate which appear to belong to this species are here re- 

 corded. Auxiliary suckers could not be made out in the formalin 

 material, but were recognized in a series of transverse sections. 



1906, April 20: 7 strobiles with scoleces, and 4 without; also 

 numerous free segments. The habit of the strobile resembles that 

 of typical specimens from the sting ray. Ova 0.034 by 0.027 in the 

 two principal diametere. 



1913, April 17 : 3, and free proglottides, lengths 20, 31, and 50 mm. ; 

 maximum breadth 2 mm. April 23: 6, maximum length 80 mm. 

 April 29: 6, maximum length 80 mm. May 1: 23, and many free 

 segments. May 29: 6. 



1916, May 19: 4 maximum length 70 mm. 



CALYPTBOBOTHRIUM MINUS Linton. 



1900 {C. ocoidentale, in part), pp. 275, 29&-299, figs. 92, 93, 96. 



1901, p. 432. 



1907c (C. minus), pp. 279-283, figs. 3-7. 



1910a p. 694. 



1911, p. 585. 



Records of this cestode not before published : 



The scoleces of this species are usually rather firmly embedded in 

 the mucous membrane of the spiral valve, and are thus liable to be 

 left fixed in the intestinal wall unless especial care is taken to remove 

 them. 



Naroacion nohilianus. 



Collected in five of the years from 1908 to 1920 : On seven dates 

 in July: (1) free, ripe proglottides; (2) 1 with scolex, 5 with scolex 

 missing, maximum length 20 mm.; (3) 4 young strobiles, longest 

 about 12 mm.; (4) free proglottides, eggs dark, slender, fusiform; 

 (5) 1; (6) 1 strobile and a few scoleces, from 1 of 4 torpedoes; (7) 

 2. On one date in August^ 3. On one date in October, 17 strobiles, 

 3 with scoleces. 



(U.S.N.M., Helm. Coll. 7675.) 



