138 TRANSACTIONS LIVERPOOL BIOLOGICAL socJETY. 



representing, one pansporoblast, and either still sur- 

 rounded by a hypertrophied host-cell, or else free, but only 

 owing to the latter's break-down. Such an origin and 

 nature of the daughter-individuals would obviate any 

 necessity for Doflein's hypothetical " swarm-spores," the 

 occurrence of which would be without analogy in the 

 Sporozoa. 



The spores themselves are seen in fig. 7 (a) and (b). 

 They are oblong-ovate in shape, and average 3//. by 1\ — 

 lf/x in size. They are the same in the two cases, those 

 drawn in (a) coming from specimen A, and those in (b) 

 from B. Glugea spores are usually pear-shaped, but, after- 

 very careful examination, I cannot, with certainty, dis- 

 tinguish any difference in this respect between the two 

 ends of those of G. stephani. Linton (I.e.) also says 

 nothing about the spores from his specimen being pear- 

 shaped. TSTot having had any fresh material to work 

 with, I have been unable to observe the expulsion of the 

 polar filament in this species, but in fig. 7 (c) are seen a 

 few fresh spores of G. anomala from a stickleback, one 

 of which shews the filament extruded. The clearer space 

 at the opposite end (which is nearly always evident in 

 fresh Glugea spores) represents a vacuole — also generally 

 apparent in the stained spores of G. stephani. In one or 

 two instances I saw a faint longitudinal suture (s) marking 

 the junction of the two valves of the spore. The contents 

 are most difficult to interpret correctly, since, owing to the 

 absence of a pear-shaped end, one cannot say positively 

 where the polar-capsule is situated. There are usually 

 two unstained clear areas, with the sporoplasm (i.e., 

 the germ) lying between. One of these is well 

 marked, and invariably contains a small, rounded, 

 deeply-staining granule ; whilst the other seems to vary 

 in size, and is not always very obvious. The former is, 



