A REVIEW OF THE MYSIDACEA 



123 



margins of the telson armed along the distal half by 11 to 12 short 

 spines regularly arranged ; no plumose setae at the apex. 



Inner uropod one and two-thirds as long as the telson, without 

 spines on its inner margin ; outer uropod about twice as long as the 

 telson. 



The third to the eighth thoracic limbs have the endopods long and 

 slender, the carpus distinct, and the propodus divided into two 

 sub joints. 



Figure 41. — Gibberythrops philippinensis, new species: a, Dorsal view of anterior end to 

 show eye, rostral plate, antennular peduncle, and antennal scale, X 47^; b, lateral view 

 of anterior end to show vaulted carapace and slightly upturned rostral plate, X 47}£; 

 c, antennal scale and peduncle, X 70; d, telson, X 70. 



Length of an adult male 6 mm. 



Type lot. — Four males, one female, U.S.N.M. No. 81260, Albatross 

 station 5456, Legaspi Lighthouse, Philippine Islands. 



Occurrence. — Philippine Islands : Albatross station 5456, 4 males, 

 1 female, 6 mm. (type lot) . 



Distribution. — Known only from these specimens taken near the 

 Philippine Islands. 



