FISHES OF THE PHILH^PINE ISLANDS AND ADJACENT SEAS 115 



Squalus rashleighanus Couch, idem. 



Acanthias hiairiville (not Risso) Capetjx), Piex. Plagiostomes, vol. 1, p. 21, 1866. 



Sclachi pennantii Cornish, Zoologist, vol. 43, p. 351, 1885 (type locality: Mounts 



Bay). 

 TJalsydnis maccoyi Whiti;ey, Mem. Queensland Mus., vol. 10, pt. 4, p, 197, 1934 



(McCoy's example; Williamstown ; southern New South Wales; Mungo 



Beach ; Davenport, New Zealand ; Whangaparaoa Peninsula ; Kapiti Island ; 



Wairoa ; Makara; off Wellington), 



Depth 5% to subcaudal origin ; head 4%. Snout 5l^ in head ; eye 

 11, 11% in snout; mouth cleft 1% in head; teeth small, very numer- 

 ous, 6 or more series functional, smooth edged; nostrils small, near 

 sides of snout close to mouth; interorbital low. Front pair of gill 

 openings narrowly separated on back and on throat. 



First dorsal inserted little behind inner angle of pectoral, front 

 edge 114 ill head; second dorsal length 2; anal length 2%, inserted 

 behind second dorsal base; subcaudal 1% in head; pectoral I14, width 

 l^Xj its length, which reaches 2% to ventral; ventral length 1% in 

 head, clasper reaches anal; caudal length 3% in rest of body. 



Back grajash brown, lower surfaces white. Reaches 10,675 mm. 

 (35 feet). (Waite; Garman.) 



South Africa, China, Japan, New South Wales, Victoria, South 

 Australia, New Zealand. Also from the Eastern Pacific in Califor- 

 nia, Ecuador and Peru, besides in the cooler Atlantic. 



U.S.N.M. No. 27024. Monterey, Calif. D. S. Jordan. 



Family RHINCODONTIDAE 



Body massive, body cavity more than half total length. Tail with 

 lateral keel each side. Head wide. Snout broad, subtruncate. 

 Eyes small, lower lid without fold. Mouth large, wide, transverse. 

 Teeth very small, subconic, curved. Nasoral grooves present. Gill 

 openings wide, last 2 above pectoral. Spiracle small. Two dorsals, 

 spineless, with produced angles. Anal very small. Caudal erect, 

 with pit, subcaudal large. Pectorals large. 



Large sharks, pelagic in tropical seas. 



Genus RHINCODON Andrew Smith 



Rhincodon Andrew Smith, Zool. Journ., 1829, p. 443. (Type, Rhincodon typus 



Andrew Smith, monotypic.) 

 Rhineodon Muller and Hexle, Mag. Nat. Hist. Charlesworth, vol. 2, p. 37, 1838. 



(Type, Rhincodon typus Andrew Smith.) 

 RJiiniodon Swainson, Nat. Hist, Animals, vol. 2, p. 317, 1839. (Type, Rhincodon 



typus Andrew Smith.) 

 Rhinodon Mijlleb and Henle, Syst. Beschr. Plagiostomen, p. 77, 1841, (Type, 



Rhincodon typus Andrew Smith.) 

 Micrlstodns Gill, Proe. Acad. Nat. Sci. Philadelphia, 1865, p. 177. (Type, Micri- 



stodus punctatus Gill, monotypic.) 



