Miscellaneous. 427 



which he found in one individual an extraordinary quantity 

 of ciliate Infusoria, living and circulating in the blooi like the 

 AnopJophry(x, although not belonging to the same family. They 

 were first met with in a large male which had lost its chelse, and 

 which had been in the aquarium for about a fortnight, and appeared 

 much less vivacious than its companions. It was operated on with 

 the others and with the same precautions, when the examination of 

 the first two or three drops of blood showed very few amoebocytse, 

 while the preparation was full of large Infusoria which moved 

 rapidly in all directions. The examination was extended to all 

 parts of the body by squeezing the blood from the ends of the 

 limbs, extracting it by means of a fine syringe, and piercing the 

 dorsal vessel, and in all cases the same appearances were presented. 

 Lastly, the branchial lamellae of the living Crustacean were 

 examined under the microscope, and the same Infusoria were seen 

 within them travelling in the circulation with the amoeboid cells. 



This is a case of blood-parasitism like that observed by Balbiani 

 in Asellus ; but the lufusorian is a Holotrichous one, furnished 

 with a buccal aperture. The Infusoria are 35-45 /i in length, 

 with a greatest breadth of 10-12 jj, ; they are attenuated anteriorly, 

 roiinded posteriorly. The body is entirely surrounded by cilia of 

 equal length, except in the anterior part, where they are a little 

 longer. The attenuated anterior part bends more or less to one 

 side in the form of a flexible rostrum, and at some distance from 

 the apex is the buccal cleft, furnished with long cilia. The body 

 contains a nucleus in its median part, a rose-coloured contractile 

 vesicle in the posterior part, and many granules scattered here and 

 there. These characters show it to belong to the order Holotricha, 

 family Enchelyidoe, Sav. K., and to the genus Anojjhrys, Cohn, which 

 is very nearly allied to the Colpodini. 



The genus Anophnjs was established in 1866 by Ferdinand 

 Cohn, who discovered it in an aquarium containing sea-water. He 

 gives it the following characters : — 



Anophrxs, gen. nov. 



Body rigid, with fine longitudinal and transverse striations, fur- 

 nished with cilia throughout the periphery, with a central nucleus 

 and a terminal contractile vesicle, with a lateral buccal aperture 

 surroimded by a circlet of vibratile cilia. The apex, which extends 

 above the mouth, has the appearance of an acuminate and flexible 

 rostrum *. 



The two known species of this genus are Anophrys carnium 

 { = Leuco[>lirys carnium, Ehr.) and A. sarcophaga, which was found 

 by Cohn in sea-water among putrifying fragments of flesh. The 

 characters of the latter species as given by Cohn are as follows : — 



* r. Cohn, Zeitschr. f. wiss. Zool. Bd. xvi. (1860). See also Saville 

 Kent, ' Manual of the Infusoria,' pp. 511, 512. 



