VI 06 



Carl Zimmer. 



55. Dactylerythrops dactylops H. u. T. 



Fig. 192, 193. 



1905. Dactylerythrops dactylops Holt u. Tattersall, risheries Ireland Sei. 



luvest. 1902/03. IV p. 121—122. tab. 22. 



„Form robust. Carapace of iiearly cven width tliroughout, anteriorly gibbous, 

 anterior iiiargin obtiisely rouiuicd, posterior margin somewhat emarginate. Eyes 



small, remote form each other, their inner 

 faces bound to tlie anterior margin of 

 the head by a wicle membranous inte- 

 gumeiit: visual Clements in the form of six 

 to cight plates set in mosaic about a 

 central pyriform body; distal cxtremities 

 produced into digitiform flexible processes 

 about as long as the visual parts. 

 Antennular pednncles with the distal Joint 

 mncli the longer; much niore robust in 

 the male tlian in the female. Male appen- 

 dage very hirsute. Antennal scale about 

 tlireeanda half times asiongasbroad; outer 

 margin slightly curved, terminating in a 

 spine of moderate size; apex rather obtu- 

 sely rounded, produced considerably beyond 

 the spine of outer margin, reacliing or 

 slightly exceeding the level of the distal 

 extremity of anteimular peduncle. ISasal 

 Joint of antenna wide and massive, distal 



Fig. 192. 9> Ansicht von oben. 



Fig. 193. Telson. 



Joint of peduncle of flagelluni the Ujuger, reacliing to about the distal third of 

 antennal scale. Month organs (as far as can be niade out in the absence of 

 dissection) as usual for Meterythrops. Thoracic limbs (of which the endopodites 

 are all wanting) witli tlie flagellate parts of the exopodites nine-jointed; male 

 appendages well-developod, but of moderate length; female with two pairs of 

 incubatory lamellae. Pleon with the first five segmeuts sub-equal, the sixtli about 

 one and a half times as long as the fifth. First pleopods in the male with the 



