36 OF THE RHIZOPODA IN GENERAL. 



tozoids (?) may be seen, if fully developed, to be bounding about in the interior of their 

 capsules, while the capsules themselves are still rolled on in the sarcode of the Amcebn under 

 progression. At other times, the whole mass of the spermatozoids (?), all separated and freed 

 from their capsules, mav be seen to be diffused through the body of the Aniceba whilst still 

 in active polymorphism and locomotion. Lastly, the parent sometimes dies in this state ; and 

 then the mass of spermatozoids (?) may be seen to undergo gradual disintegration, as the 

 granules, by twos or threes or more, disentangle themselves from the sarcode, and bound off 

 into their new element. — The development of granvdar spermatozoids (?) has been observed 

 by Mr. Carter to take place after almost exactly the same fashion in Eiif/Ji//jha aheoUdu (fig. 9), in 

 which their diameter averages from l-16,000th to l-12,000th of an inch; and similar bodies 

 have been seen bv Schneider (xcin) to develope themselves from the nucleus of Diff!(i(/ia. 



45. Again, not only Amxeha, but Eitt/l^/pIi(V, Diffliif/ice, and ArcdUna, have been frequently 

 observed by Mr. Carter to contain in the midst of their sarcode a number of discoid or 

 globular bodies having the appearance of ova (Plate IV, figs. 8, 10, 11). At an early stage 

 of their formation each of these bodies consists of a transparent capside, lined with a faint- 

 yellow film of semitransparent matter, which, subsequently becoming more opaque and 

 yellowish, also becomes more marginated and distinct.* They are very commonly accompanied 

 by active molecular granules. Their number is sometimes so great, that, as in the specimen of 

 Amoeba verracoHa represented in fig. 8, the entire body comes to resemble an ovisac filled 

 Avith granuliferous germ-cells. In Euglypha alccolala they are first seen, to the number of 

 from four to fifty, congregated round the nuclear vesicle, though afterwards they become 

 diffused through the sarcode-body generally (fig. 10) : their diameter averages from 1 -4000th 

 to 1 -3000th of an inch, or something less than that of a human blood-corpuscle. 



46. Although the development of spermatozoids (?), and of ovules (?) takes place more 

 profusely in distinct individuals than in the same, yet it is by no means uncommon to see 

 individuals of Em/Iyplia akeolata containing both kinds of bodies (fig. 11) : there is no such 

 gradation between them, however, either in size or aspect, as would suggest the inference 

 that the one form originates from the other. 



47. Of the subsequent history of these bodies very little has been yet ascertained, and it 

 cannot be stated with any approach to probability in what way their development and actions 

 are related to the " conjugation" already mentioned as not unfrequcntly to be seen between two 

 or more Amoebina or Actiiiopliri/na. It is stated by Mr. Carter that the granular spermatozoid (?) 

 development does not take place until after conjugation ; and that after Enr/h/plice have united 

 themselves, not only in pairs but triply and quadruply, it is common to see only ovules 

 developed in all the individuals of one group, and spermatozoids in those of another. 

 In Euglijijhcp (fig. 11) which contained both ovules (?) and spermatozoids (?), the former were 

 often observed to be surrounded by actively-moving swarms of the latter ; and the same is 



* The "seed-like bodies" of Spongillu Lave been found by Mr. Carter to contnin numerous 

 transparent, globular sacs, each of which includes a greater Or less number of ovules f>) resembluii,' 

 those described above. Thus, each of these sacs may be cousideied as the representative of an Amoeba. 



