no. 3606 ODONTODACTYLUS — MANNING 21 



pairs of carinae terminating in spines, posteriorly recurved portion 

 of submedians absent; anterior tubercle present between intermediate 

 and lateral carinae; sixth somite without ventrolateral spine in front 

 of articulation of uropod, ventral posterior margin almost transverse, 

 not strongly concave. 



Telson slightly broader than long, appearing elongate; median 

 carina thin, strongly convex, high, about one-fourth telson width in 

 female, almost one-half telson width in males, with strong posterior 

 spine; dorsal surface of telson, lateral to crest, ornamented with 

 (1) a single accessory median carina, (2) a long, uninterrupted sub- 

 median carina, (3) a short carina on intermediate tooth, and (4) a 

 lateral carina subparallel to and separated from marginal carina by a 

 narrow space, 2 small swollen, tubercles situated lateral to termina- 

 tion of each submedian carina. 



Uropod broad, dorsal spine of basal segment very small; distal 

 segment of exopod longer than proximal; 8-9 movable spines on outer 

 margin of proximal exopod segment, last not extending to midlength 

 of distal segment; endopod ovate, with 2 swollen, short, longitudinal 

 carinae. 



Color. — Faded in most specimens. Relatively fresh specimens 

 show traces of dark chromatophores scattered over the body, but 

 concentrated in an oblique line on the first abdominal somite just 

 behind the articulated plates and on the telson at the base of the 

 median carina; some specimens have pairs of submedian pink spots 

 on the last three thoracic and first five abdominal somites; the distal 

 portion of the antennal scales and tips of the uropod are pink. Komai 

 (1927, 1938) and Stephenson (1952) have also given notes on color. 



Measurements. — Males, TL 28.0-125.4 mm; females, TL 57.3- 

 118.2 mm. 



Measurements and indices for selected specimens of 0. cultrifer 

 (White) are as follows: 



