202 



THE SPOROZOA 



neck. Unique species, C. algierianus, A. Schn., from the gut of Pimelia 

 sp. Genus 63. Oocephalus, A. Schneider, 1886. Epim. in the form of 

 a rounded knob carried by a short conical neck. Unique species 0. 

 hispanus, A. Schn., from the gut of Morica sp. Genus 64. Sphaerorhynchus, 

 Labbe", 1899 (nom. nov. for Sphaerocephalu*, A. Schneider, 1886). Epim. 

 small, spherical or oval, borne on a long, broad cylindrical neck, sharply 

 constricted below the epim. Unique species S. 

 ophioides (A. Schn.), from the gut of Akis. Genus 

 65. Stylorhynchus, Stein, 1848. The protom. of 

 the cephalont is prolonged into a cylindrical, 

 elongated rostrum, carrying at its termination the 



FiO. 44. 



Lophocephalua insignis (A. Schn.), (par. Helops striotus), showing 

 the large epimerite and the nucleus with a band - shaped karyo- 

 some. (From Wasielewski, after Leger.) 



FIG. 45. 



Stylorhynchus longicollis, 

 Stein (par. Blaps morti' 

 saga). On the left a cepha- 

 lont, with a long epime- 

 rite (a) attached to the 

 protomerite (6). On the 

 right a sporont, the epi- 

 merite having been cast 

 off. (From Lankester.) 



small knob-shaped epim. (Fig. 17, d)- } protom. of the sporont rounded ; 

 the deutom. very elongated. S. longicollis. Stein, from the gut of Blaps 

 mortisaga (Fig. 45) ; and other species. 



FAMILY 10. DOLIOCYSTIDAE. Epim. symmetrical, simple. Body 

 non-septate. Spores oval. Parasites of marine Annelids. 



Genus 66. Doliocystis, Leger, 1893. Body showing no trace of 

 protom. or septum. Spores oval, with a thickening of the sporocyst at 

 one pole. D. pellucida (Roll.), from the gut of Nereis cultrifera and 



