. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BIGELOW: STOMATOPODA OF THE PACIFIC 131 maximum length of the rostrum is generally considerably greater than the width at antero-lateral angles. The anterior margins on each side of the spine are nearly transverse and the antero-lateral angles are broadly rounded. In the Philippine specimens the length and breadth are about equal, the anterior margins are usually directed obliquely forward from the junction with the spine and the antero-lateral angles are narrowly rounded or subacute. According to Kemp the only charac
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BIGELOW: STOMATOPODA OF THE PACIFIC 131 maximum length of the rostrum is generally considerably greater than the width at antero-lateral angles. The anterior margins on each side of the spine are nearly transverse and the antero-lateral angles are broadly rounded. In the Philippine specimens the length and breadth are about equal, the anterior margins are usually directed obliquely forward from the junction with the spine and the antero-lateral angles are narrowly rounded or subacute. According to Kemp the only characteristic by which this species can be distinguished from the closely related G. graphurus Miers is the absence of transverse and longitudinal grooves on the sides of the first five abdominal somites (Brooks 1886, pi. 414, fig. 1 and Kemp, 1913, p. 170, text figs. 1 and 2). I too have found no indication of these grooves in any specimen I have examined. On the other hand, they. Fig. 1.— Gonodaclyhis <ilnbrniis Brooks, female, 5S mm., from Apia coral reef (No. ). Raptorial limb (right), showing the daclylus of the typical Samoan form with an outward turn at the apex and an angle at the point of inflection. Length of mm. were perfectly constant in numerous specimens of G. cjraphurus ex- amined by Pocock (1893, p. 475), except in one very small (10 mm.) individual. Brooks states that in G. glabrous the paddles of the ex- opodites of the uropods are less than half as long as the second joint. They are longer in my specimens. The proportions of length to breadth of the telson are ^'ariable. .Some of the other characters that Brooks mentions as distinctixe are sexual. He described the species from a single female specimen. There is considerable variation in the sculpturing of the sixth ab- dominal somite and of the telson,^ including an evident sexual dimor- phism. In all specimens the sul)median and intermediate carinae of the sixth abdominal somite are triangu
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