56 



niVI.I.OrOD CRUSTACEA 



^ Eulimnadia margaretae n. sj). 



Locality: South Auabia: Aden, 95 9. 7-X1I-32. 



Types: PealKxlv Museum of Yale University. Paratypcs : Indian Museum, liritish Museum, 

 and retained. 



Description of 9 ( <} unknown). Shell tiansparent, oval, highest point just anterior to 

 tlie middle. Hinge line evenly arcuate. Growth lines 3 in number, the outermost extremely 

 indistinct. Knstrumiu 9 rounded, or bluntly acute (especially in yi lunger specimens) ; frontal 



FicuRK 17.— Eulimnadia margaretae. A, .slid! n{ 9 fnim left side (\ 5.8). B, head of 5 from left side 

 (X20.5). C, telson of 9 from right side (X20.5). D, distal part of left 1st leg of 9 from I)chiiul. Rases only 

 of the setae are shown (X22). E, egg (X43). 



organ subglobular; posterio-ventral margin of liead nearly straight, sinuous, or wilii a mure 

 or less sharp notch, hirst antennae with 6 and terminal lobes; 2nd antennae with branches 

 of 7 and 9 segments. Twenty ])airs of legs, of which jiairs 10 and 11 are ovigerous. I'os- 

 terior 9-13 segments bearing dorsal setae of variable number and dift'icult to count (.setal 

 luimliers from k-hind forward on Type: 5?, 5?, "?, 7, 7?, 7?, 7?, 5?, 3, 1, 1. 1, ] ). Telson 

 much worn in all specimens, with about 35 small, irregular dorsal sjiines, all of which are 

 smooth; lower distal angle of telson produced into a short, rounded (possibly worn) point. 

 Furcal claws of all sjiecimens broken, with rounded ends; the bases of about 20 plumose setae 

 can be made out on each claw, but most of them are bniken off. Dimensions of shell: 

 10.4x7.4 mm. Ova s])herical, rugose. This form does not very closely resemble any of the 

 species described hitherto. 



