FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 291 



Genus PRISTIS Linck 



Pristis Linck, Mag. Phys. Naturg. Gotha, ser. 3, vol. 6, p. 31, 1790. (Type, 



Squalus pristis Linuaeus, nionotypic. ) — Klein, Neuer Schauplatz, vol. 7, 



p. 403, 1779. (Type, Squalus pristis Linnaeus. Nonbinomial.) 

 Pristohatus Blainville, Bull. Soc. Phllom. Paris, vol. 8, p. 121, 1816. (Type, 



Pristis antiquonts 'Latham.=8qualus pristis Linnaeus, designated by Fowler, 



Geol. Surv. New Jersey Bull. 4, p. 81, 1911.) 

 Pristohatys ^Blainville, Nouv. Diet. Sci. Nat., ed. 2, vol. 27, p. 385, 1818. (Type, 



Pristis antiquorus Latham.) 

 Pristibatis Blainville, Faune Fraugaise, Poissons, p. 49, 1825. (Type, Pristis 



antiquorus Latham.) 

 Myriosteon Gray, Proc. Zool. Soc. London, p. 163, 1864. (Type, Myriosteon Mg- 



ginsii Gray, monotypic. Fragment of Pristis saw, supposed to be 



echinoderm ! ) 

 Pristiopsis Fowij;r, Proc. Acad. Nat. Sci. Philadelphia, 1905, p. 459. (Aug. 14). 



[Type, Pristis pcrrotteti Miiller and Henle, orthotypic. Pristiopsis Schmidt, 



Ent. Zeitschr Stettin, 66 Jahrg., heft 2, p. 332, 1905, in Rhynchota homoptera, 



precluded (p. 384 "Ausgegeben im November 1905").] 

 Eopristis Stromee, Beitr. Pal. Oester. Uugarn, vol. IS, p. 52 (16), 1905. (Type, 



Pristis (Eopristis) rciiiachi Stromer, monotypic. Fossil.) 



Rostral teeth firmly imbedded in rostral cartilages, except in very 

 young. Upper half of eye not free from orbit, lower half of orbit 

 serving as nictitating membrane when eye retracted. Mouth trans- 

 verse. Oral teeth small, pavementlike or smooth, rows 70 to 178 or 

 more in upper jaw. Gill openings small, on under surface of head. 

 Spiracle moderate, behind eye. Caudal axis elevated. Pectorals 

 joined with head along gills but not reaching snout. 



ANALYSIS OF SPECIES 



a\ Pristis. Subcaudal lobe absent. 

 h\ Rostral teeth 24 to 32 each side. 

 c\ First dorsal origin opposite ventral origins ; second dorsal reaches caudal. 



pectinatus 

 <f. First dorsal origin more than i/^ basal length behind ventral origins ; 



second dorsal equals first dorsal zijsroii 



b'. Rostral teeth 21 each side; first dorsal origin % its basal length behind 



ventral origins; second dorsal smaller than first clavata 



a". Pristiopsis. Subcaudal lobe present. 



d^. Subcaudal lobe small; rostral teeth 17 to 22 each side; first dorsal 



inserted before ventral origin microdon 



d^. Subcaudal lobe prominent ; rostral teeth 23 to 35 each side ; first dorsal 

 inserted behind ventral bases cuspidatus 



Subgenus Pristis Linck 



PRISTIS PECTINATUS Latham 



Pristis pectinatus Latham, Trans. Zool. Soc. London, vol. 2, p. 278, pi. 26, fig. 2, 

 1794 (saw) (type locality: In the ocean). — Cuvier, Regne animal, vol. 2, p. 

 131, 1817 (reference).- — Muller and Henle, Syst. Beschr. Plagiostomen, p. 

 109, 1841 (Cayenne). — Bleeker, Verb. Batav. Genootsch. (Plagiost.), vol. 24, 

 p. 55, 1852 (reference) ; Nat. Tijdschr. Nederland. Indie, vol. 21, p. 166. 



