HIMANTOLOPHIDAE 357 



Described from two specimens, 26 to 28 mm. in length, including the type of the 

 species lent to me by the Indian Museum^. 



Hab. South Atlantic; Indian Ocean (Bay of Bengal). 



Family ACERATIIDAE 



Lipactis tumidus, Regan, 1925. 



Regan, 1926, t.c. p. 43, pi. xii, fig. 2. 



St. 298. 29. viii. 27. 13° 01' 45" N, 21° 34' 45" W. Young-fish trawl, 900-1200 (-0) m. : 

 I specimen, 13 mm. 



Hab. North Atlantic. 



Rhynchoceratias brevirostris, Regan, 1925. 



Regan, 1926, t.c. p. 43, pi. xiii, fig. i, text-fig. 25 a. 



St. 298. 29. viii. 27. 13° 01' 45" N, 21° 34' 45" W. Young-fish trawl, 900-1200 (-0) m. : 

 I specimen, 40 mm. 



1 This specimen is poorly preserved, and the ray behind the illicium has been torn away from the skin, 

 thus appearing somewhat longer at first sight. 



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