RHINA SQUATINA. 251 



Subcaudal pointed 



margins of the pectoral forming a right angle 



fold at the corner of the mouth angular, prominent 



foramina complete squatina (page 251) 



margins of pectoral forming little more than a right angle 



fold at corner of mouth not prominent . . dumeril (page 252) 

 margins of pectoral much curved .... armata (page 253) 

 Subcaudal rounded 



margins of pectoral forming more than a right angle 

 fold at corner of mouth expanded, convex 



foramina open toward the eye . . californica (page 253) 

 Subcaudal obliquely truncate 



margins of pectoral forming a right angle 

 fold at corner of mouth slightly expanded 



foramina very incomplete . . . philippi (page 254) 



margins of pectoral forming little more than a right angle 

 fold lobed at the nostril, hardly at corner of mouth 



foramina complete australis (page 255) 



Subcaudal truncate 



margins of pectoral forming more than a right angle 



fold lobed at corner of mouth, expanded at angle of jaws 



spiracles farther apart than the eyes . japonica (page 255) 

 margins of pectorals forming much more than a right angle 

 fold lobed at corner of mouth 



spiracles closer together than the eyes . nebulosa (page 256) 



Rhina squatina. 



'Vivr, Aristotle, Hist. An., II, C. 11, V, C. 4, VI, C. 10, IX, C. 25. 



Squatina Wotton, 1552, Diff. anim., f. 144 E; Belon, 1553, Aquat., p. 77; Rondelet, 1554, Pise, 



p. 367; Salviani, 1554, Aquat., f. 151, 152; Gesner, 1558, Aquat., p. 1059; Aldrovandi, 1613, 



Pise. & Get., p. 472; Jonst., 1649, Pise, p. 39, pi. 11, f. 7; Willughby, 1686, Pise, p. 79, pi. D3; 



DuHAMEL, 1782, Traite, 4, p. 291. 

 Squalus squatina Linne, 1758, Syst., 1, p. 233; 1766, Syst., 1, p. 398; Brunnich, 1768, Ichthy. Massi- 



liensis, p. 5; Bloch, 1785, Ausl. fische, 1, p. 25; Bonnaterre, 1788, Ichth., p. 12, pi. 5, f. 14; 



Schneider, 1801, Bloch Ichth., p. 137; Turton, 1807, Fauna, p. 114; Donovax, 1808, Brit. 



fish., pi. 17. 

 Monk or Angel fish Brookes, 1763, Nat. hist., 3, p. 41. 

 Angel fish Pennant, 1769, Zool., 3, p. 74. 

 Rhina squatina Klein, 1776, Neuer schaupl., 2, p. 589; Walbaum, 1792, Artedi, p. 580; Rafinesque, 



1810, Garratteri, p. 14; Ind. itt. Sic, p. 45; Dumeril, 1865, Elasm., p. 464, pi. 5, f. 5. 

 L'ange Broussonet, 1780, Mem. Acad, roy., p. 679. 

 Le squale ange Lacep^de, 1798, Poissons, 1, p. 293, pi. 12, f. 3; Shaw, 1810, Nat. misc., pi. 906. 



