478 ME. p. W. BASSETT-SMMH ON [-^V^- ^^' 



The egg- sacs are broad and long, placed by the side o£ the body, 

 and embraced by some of these processes, but not projecting. A. 

 single median eye. 



Male. Much smaller, with distinctly segmented body attenuated 

 posteriorly. Cephalothorax as a buckler, with two free thoracic 

 rings, the second bearing two strong spines. The tail has 8 free 

 rings, the last provided with two caudal appendages. Anterior 

 antennae 6-jointed. Posterior with two, the last carrying two 

 curved setae. First maxillipeds large. 



Philiohthys xiphi^. 2 c? . (Plate XXVI. fig. 2.) 



Philichthys wipJiice Stp. Oversigt Danske Videnskab. 1861, p. 295, 

 pi. ii. 

 „ „ Bergsoe, Monograph Fremstellet, 1864, pi. i. 



„ C. Vogt, Arch. Zool, Exp. vol. vi. 1877, p. 407. 

 Host : mucous canals in head of Xipldas gladius. Europe. 



G. 2. EiOHiAEDiA, gen. nov. 



Female. Head small, obtuse. Body elongated, segmented, the 

 second thoracic ring being very much enlarged, oval or rounded, 

 followed by five attenuated joints, the second of which has the 

 genital opening. Three pairs of lateral non-articulate acute pro- 

 cesses on each side, with a pair of caudal appendages, and a pair 

 also of frontal ones directed forwards. Anterior antennae triarti- 

 culate. Egg-sacs long, thick, placed by the side of the body as in 

 the preceding genus. 



(1) ElCHIARDIA LICHI^. $ . 



Philiclithys lichice Eichiardi, Atti Soc. Toscana di Sc. Nat. 1876, 

 iii. pi. vi. fig. 1. 



Host : frontal sinus of Lichia amia. Mediterranean. 



(2) ElCHIARDIA PAGRI. $ . 



Philicliihys pagri Eichiardi, op. cit. 1876, pi. vi. fig. 3. 

 Host : frontal sinus of Pagrus vulgaris. Mediterranean. 



(3) ElCHIAEDIA PAGELLI. $ . 



PhilicMhys pagelli Eichiardi, op. cit. 1876, pi. vi. fig. 4. 

 Host : frontal sinus of Pagellus mormyrus. Mediterranean. 



(4) ElCHIARDIA BDWAEDSI. $ . 



Philichthys eclwardsi Eichiardi, op. cit. vol. ii. 1875, pi. vi. 

 fig- 4. 



Host : frontal sinus of Ser^ranus cahrilla. Mediterranean. 



(5) ElCHIARDIA STEENSTRUPI. $ . 



Philichthys steenstrupii Eichiardi op. cit. 1875, pi. vi. fig. 5. 

 Host : frontal sinus of Mullus barbatus, M. surmuletus. 



