184 



All the maxillipeds have well developed flagellate exopodites and large 

 foliaceous epipodites : the external maxillipeds are pediform and 7-jointed 

 though there is no independent movement between the basis and ischium. 



The thoracic legs are 6-jointed, the basis and ischium being fused : none are 

 enlarged and none are chelate, except sometimes the last pair in the female : the 

 first four pairs carry large foliaceous epipodites. 



The first abdominal somite is destitute of appendages in both sexes. 



This family is represented in the depths of Indian seas by a single species of the genus 

 Pannlirus. 



PANULIRUS, White. 



PonuZirus, White, 1817, Stebbing, Hist. Crnst., p. 197. 



Carapace subcylindrical, or elongate-cuboidal, devoid of a rostrum or rostral 

 spine, not covering the ophthalmic and antennal somites ; its postero-lateral 

 angles are firmly held between a button on the last thoracic epimeron below, 

 and the projecting angle of the rudimentary 1st abdominal pie uron above; its 

 antero-lateral angles are produced to form a large tooth, which, with the post- 

 antennal tooth below, forms a sort of imperfect orbit : the cervical groove 

 conspicuous. 



Telson squarely-truncate, its lateral borders being very slightly convergent 

 posteriorly. 



Eyes large : ophthalmic somite exposed and membranous. 



Antennular flagella subequal, of no great length : the somite exposed. 

 Antennae well separated from one another, the flagellum extremely long. 



The mandibles consist of a large convex incisor process and a small conical 

 molar process, and carry a three-jointed palp. 



The 1st maxillae have the coxa and basis well developed, and carry a short 

 and slender palp. The 2nd maxillae consist of a rudimentary coxopodite, a slender 

 and deeply cleft basipodite, a short and blunt endopodite, and a large scapho- 

 gnathite. The 1st maxillipeds have a rudimentary coxopodite, a very large 

 basipodite, a short broad and almost rudimentary endopodite, a foliaceous 

 exopodite ending in a short stiff flagellum, and a very large and foliaceous 

 epipodite. The 2nd maxillipeds are short, pediform and six-jointed : their 

 exopodite, like that of the external maxillipeds, is long and ends in an articulated 

 flagellum, and their epipodite, like that of the external maxillipeds, is large and 

 foliaceous. 



The 1st abdominal somite is destitute of appendages in both sexes : the 

 2nd-5th somites have appendages which are uniramous in the male and biraraous 

 in the female. 



