NO. 1396. 



ON PRIONOTUS STEARNSII—GILL. 



341 



shortest and closing- within upper, supramaxillaries mostly retractile 

 under preorl)itals, teeth on jaws, vomer and palatines, spinous dorsal 

 strong and highest at third or fourth spines, pectorals more or less 

 elongated and extending half way or more to caudal, and free rays 

 thickened and modified for progression as well as sensory functions. 



Fig. 3.— Prionotus strigatus. (After Cuvier and Valenciennes.) 



The thick free pectoral rays are used in progression and their ordi- 

 nary position is well illustrated in a figure published by Saville Kent 

 in 1883, the best to l)e found in any work; it is an illustration of the 



Fi'.. -1.— Streaked Gurnard {Trigla Uneutn) in chara< tekistk trkjluiu attitude. 

 (After T. Saville Kent.) 



"Streaked Gurnard'' of England {Tri<jla I'lncata) and exactly repro- 

 duces the attitude of Prionoti as observed by myself, both in nature 

 (along Long Island and Woods Hole) as well as in aquaria. The figures 

 of Triglids here reproduced have been all conventionalized and give 

 no idea of the carriage of the rays in life. That of P. strigatus is 



