2S4 Mr. C. T. Regan— .-1 Eevi^io,i 



This description is based upon twelve spirit-specimens and 

 two skeletons in the British Museum. In two of the spirit- 

 specimens I have examined the vertebral column, and I find 

 the number of vertebrae in these and the two skeletons to be 

 .SI, 32, 31, and 32 respectively. In each case there are 6 

 vertebrae posterior to the one below the last dorsal ray. 

 Dr. Gill gives 28 as the number of vertebrae in two specimens 

 examined by him. Cuvier gives the number as 30, and 

 Bonaparte as 28-31. The first vertebra is small, suturally 

 united to the skull, and easily overlooked. Some authors 

 liave found only 10 dorsal and 9 anal rays, but it is possible 

 that one or two of the anterior rays have been missed by 

 them. 



Ilab. Coasts of both sides of the North Atlantic, Medi- 

 terranean. 



Lophius lituJon, Jordan. 



This species is known to me only from very young 

 examples, in one of which I find 27 vertebiae. There are 

 VI 10 {?9) dorsal and 9 (? 8) anal rays; the pectorals have 

 23-24 rays. The humeral spine is short and simple. This 

 species is extremely similar to L. piscaiorius, from which it 

 appears to differ only in the simple humeral spine, the lesser 

 number of fin-rays, and in the greater prominence of the 

 branches of the lateral line on the up])er surface of the head, 

 a feature indicated in Dr. Jordan^s figure. 



Uab. Coasts of Middle Japan, ranging farther north than 

 Lophiomus setigcrus (Jordan). 



Lcphius Budegassa, Spinola. 



The British Museum possesses three specimens of this 

 species, which differs from L. piscatorius in the following 

 points : — The spines on the head are somewhat longer and 

 sharper in specimens of equal size ; the humeral spine is 

 longer, its length being contained 3|-4:^ times in the distance 

 from its base to the anterior ends of the premaxillaries (in 

 two specimens the humeral spines have three points, in the 

 third that of one side is simple, of the other bifid); the teeth 

 are slightly shorter, a single tooth on each side of the vomer ; 

 the fin-rays are fewer in number, D. VI, 8-9, A. 9, P. 24, 

 and the rays of the spinous dorsal are more slender. The 

 distance from the tip of the last dorsal ray, when laid back, 

 10 the base of the caudal is considerably more than the depth 

 of the caudal peduncle. The blackish border of the under 



