18/6,] DR. T. S. COBBOLD ON ENTOZOA. 201 



abroad. Although it so happens that comparatively few of the 



ZtlTr "'"^"'^''' "'"^ ''''''''' y'' '""^t of the contributions 

 present, in one way or another, points of interest. I propose in 



hlkat ° Tf %'^''^''''^ °f -y -tes, not only reco^rdiSg new 

 habitats and describing new species, but also paying regard to all 



butn' 1"|- rV" '^^^ upon the question of gLg^hical ^^1' 

 bu^on. I wish also to remark more fully on structural and mor- 

 phological peculiarities, especially when dealing with aberrant types 

 The importance of certain species in relation to epidemics wilfSlso 

 receive attention. None can regret more than myself the necessar Iv 

 incomplete character of these records. It is eviint, howeve t a't 

 If we home-natura ists defer all puWic notice of the receipt of peci- 

 mens from co-workers abroad until we happen to have time Sou- 



?.ZZf •'" "^-^ If rf'' '' '^' contributes, a multitude c^' useful 

 facts will inevitably be lost to science. In this connexion I may like- 

 wise observe that the mere verification of already known phenom na 

 especially m the matter of distribution, is not without its'^cumulat'e 



8. FiLARiA TEREBRA (Diesing). 

 . 0° the 27th of February, 1875, Dr. Edward L. Moss, of H.M.S. 

 Aleit now engaged in the Arctic Expedition, brought me three 



SrsSef ' """''''' "'"' ' '"" '''''' ^^^^^^^-" - -f--i"S to 



Z^nlrrrV'""'' '^^'"^ P^^^^"* - -^^ cervine bear "we 

 commonly found lying amongst the coils of the small intestine. 



i hey had not m any way attached themselves to the peritonea 

 wrsbnT'- ^""^T'«°d Dr. Moss to say, in conversation^, ha he 

 had hot seventeen deer in all. the males and females being in about 

 him sfoTeS " ; "^^'^^;heless not one of the bucks examined by 

 him showed any trace of the presence of these entozoa. This ab- 



ence of parasites in the male hosts can hardly, I should think 

 have been otherwise than accidental. Hitherto the worm appear" to 

 have been observed in the Red Deer (O. elapkus) and in thre^spe i s 



Natterer Two of the worms measured each about 2i inches in lencnh 

 the third exceeding 3 nches. The head of one was injured ; but Ae 

 hlZ T '^''P'T'^ \^l'^^' *"« P'-«'"''^^"t oral Japilli. P o- 



m hfs fZI"'"" '""' '^^K'' '^''''''''' ^"'^'^ ^' D»i''-di'^ described 

 in his Ftfaria cervina, which, according to Diesing is a svnonvm of 



his species. The body is marked thro^ughout its"e;it r^ Jngth'^'yl 



series of prominent and regular folds, these, in some situatfons be! 



coming so conspicuous that, under an ordinary pocket-lens the v 



pi-esent a beaded appearance. All the specimens 'liad their atteS 



ated tails more or less spirally twisted; and a single brown-colou "d 



line occupied the whole length of the body. Tlfe precise rettiins 



