SUPPLEMENT, 1888, 
811 
Page 723. Add 
Family— EHINODONTID^ . 
Spiricales minute : no nictitating membrane. Gill-openings wide. Two spineless dorsal fins, the 
origin of the first somewhat in advance of the ventrals : the second small, placed nearly opposite the anal : 
lower caudal lobe well developed. A keel along the side of the tail. A pit at the root of the caudal fin. 
Genus 1 . — Ehinodon, Smith. 
Definition as in the family. Mouth and nostrils near the extremity of the snout. Teeth 
small and conical. Gill-rahers similar to those of the hashing -shark of Northern seas. 
Geographical distribution. — Ceylon and Seychelles to the Cape of Good Hope. Specimens 
are said to have exceeded fifty and even seventy feet in length. It is a harmless form. 
Khinodon typicus. 
Smith, Illus. S. African Fish, pi. 26 ; Muller and Heule, p. 77, t. xxxv, f, 2 (teeth) ; 
Dumeril, Elasm. p. 428 ; Haly, Ann. and Mag. N. H. (5), xii, p. 48. 
Snout broad, flat, and short. Dyes — small. Upper jaw with a long labial fold. 
Colours — brownish white dots and narrow transverse lines. 
Habitat. — One example recorded from the west coast of Ceylon, 
Page 725. Add 2. Ginglymostoma concoloe. 
Nehrius concolor, Rupp, N. W. Fische, p. 62, t. xvii, f. 2, 
Ginglymostoma concolor. Cantor, Mai. Fish. p. 395 ; Giinther, Catal. viii, p. 409 ; Klunz.. 
Synopsis F. R. M. 1871, p. 672. 
Ginglymostoma rUppellii, Bleeker, Verh. Bat. Gen. xxiv, Plagios. p. 91 ; Dumeril, Elasm. 
p. 334. 
Snout short. The nasal cirrus nearly reaches the lower lip. Teeth — in three rows, 
with one central and four or five lateral cusps, having serrated edges. Fins — dorsal,, 
pectoral, and anal fins with pointed angles. Second dorsal much smaller than the first, 
and placed nearly opposite to but larger than the anal. Caudal fin one-third of the total 
length. 
Habitat. — Red Sea, through those of India to the Malay Archipelago. 
Page 729. Add 4. Peistis pectinatus. 
Latham, Trans. Linn. Soc. 1794, ii, p. 278, pi. xxvi, f. 2 (snout) ; Bl. Schn. p. 351, pi. Ixx, 
f. 1; Miill. and Henle, p. 109; Blyth, Journ. As. Soc. Beng. 1860, p. 36; Dumeril, 
Elasmobranchs, p. 476 ; Gunther, Catal. viii, p. 437 ; Klunz. Synop. F. R. M. 1871, 
p. 673. 
Squalus scio, Lacep. i, p. 286, pi. viii. 
Rostrum nearly twice as wide at its base as at its termination, armed with from 24 to 
27 pairs of teeth which are generally long and somewhat strong and not placed opposite 
one another, while they may be directed somewhat posteriorly. Anteriorly the interspace 
between each tooth equals about the width of their base, but among the most posterior 
ones it becomes double that distance. Fins — first dorsal commences opposite the ventral,, 
the second dorsal about of equal size to the first. No lower caudal lobe. Colours — 
sandy-brown becoming lighter beneath. 
Habitat. — Red Sea, through the Indian Ocean. 
Page 732. 
Add Rhinobatus coltjmm. 
Mhinobatus (Syrrhina) columnce, Muller and Henle, p. 113 : Dumeril, Elasm. p. 486. 
„ „ annulatus, Miill. and Hen. p. 116 : Smith, Illus. Zool. S. Afri. Pisces,, 
pi. xvi : Dumeril, 1. c. p. 487. 
5 M 
