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Show 152 MR. A. E. SHIPLEY ON THE [June 16, terminally, but rather from the side, where it is overtopped the anterior end, and looks like a little head sunk in one of the enormous collars in vogue at the Regency period. The number of hooks is very small, only 4-5 rings, and but few hooks in a ring. At first I thought that the smallness of the number of the hooks indicated that we had to do with a young, or, at any rate, a not fully grown, individual, but the lumen of the trunk was crowded with ova in well-developed chitinous egg-shells. Each ovum is a long cell, rounded at the ends with a conspicuous nucleus in the centre. The egg-shell is rather more pointed at the ends, so that the egg with its shell forms a spindle-shaped object some •08 m m . in length and "02 m m . at the greatest diameter. Echinorhynchus tigrince, n. sp. Length 10 mm., average breadth 2 m m. Greyish, transversely wrinkled. Proboscis short, small, arising from behind the anterior end. Four or five rings of very few hooks. Ova spindle-shaped, 0-8 mm. x '02 mm. Habitat. Intestine of Rana tigrina Daud. Taken at Biserat, Jalor. Some small fragments of another Echinorhynchus, too small to admit of identification, were taken from the intestine of the toad Callula pulchra Gray. NEMATOMORPHA. Professor Camerano has kindly described the specimens of this very difficult group and has published accounts, with full details as to the structure of the cuticle on which the classification of these creatures so largely rests, of four species, two of which, Chordodes siamensis and Gordius par once, are new. I extract the following from Camerano's descriptions :- 1. CHORDODES MONTONI Oamer. 1895. L. Camerano, Bull. Soc. Zool. France, xx. p. 99. 1897. L. Camerano, Mem. Ace. Torino, ser. 2, xlvii. p. 387. 1899. L. Camerano, Atti Ace. Torino, xxxiv. figs. 3, 3 a. 1901. L. Camerano, Boll. Mus. Torino, xvi. no. 408. A. single specimen, a male, was taken by Mr. Laidlaw whilst making its exit from a large Mantis captured at the foot of Gunong Inas, Perak. The length could not be determined, as the worm was in pieces. The colour of the spirit-specimen is white at each end, black and velvety in the middle. The cuticle showed the characteristic markings described by the author in the first-named specimen, which came from China, other specimens have been described from Perak. |