2 77 
The endoglobular parasite divides by simple 
binary fission (Fig. 85). 
2. H. bothi .—In the brill, Bothus rhornbi , 10 by 
2/y Nucleus 3-4/x- in length. P. bothi occurs in the 
same fish. 
Other species are :— 
H. blanchardi in Gobius niger , Brittany; H. 
callionymi in Callionymus dracunculus ; H. cotti in 
Cottus bubalis ; H. delagei in Raja sp. ; H. fie si in 
Flesus vulgaris ; H. gobii in Gobius niger ; H. laternae 
in Platophrys laterna ; H. lignieresi in an eel, Buenos 
Ayres ; H. platessae in Platessa vulgaris , Brittany ; 
H. simondi in Solea vulgaris; H. guadrigemina in 
Callionymus dracunculus . 
Haemogregarines in Ophidians 
1. H. viperini. —Or Karyolysus viperini. The 
parasite bores into the nucleus, and, eventually, encysts 
there (Fig. 89). 
Other species are :— 
Hg. bungari in Bungarus fasciatus ; Hg. colubri in 
Coluber aesculapii\ Hg. crotali in Crotalus confluentus ; 
Hg. joannoni in Macroprotodon cucullatus ; Hg. mirabilis 
in Propidonotus piscator ; Hg. mocassini in Ankistrodon 
piscivorus ; Hg. najae in Naja tripudians ; Hg. pythonis 
in Python reticulatus ; Hg. tropidonoti in Propidonotus 
stolatus ; Hg. viperini in Propidonotus viperinus ; Hg. 
zamenis in Zamenis hippocrepis ; H. brendae in 
Psammophis sibilans; H. cantlei in Eryx conicus ; 
H. luhei in Corellas cooki ; H. mansoni in Zamenis 
flagelliformis ; H. pococki in Python molurus ; H. refrin- 
geno in Pseudaspis cana ; H. rarefaciens in Coluber corais , 
var. couperi ; H. sambo?ii in Vipera aspis ; H. selig- 
