52 THE ROTIFEKA. 



This Floseule greatly resembles F. ornata, but it is distinguished by its height, 1 

 the length of its foot, and the shortness of its lobes. The fully extended foot is fre- 

 quently thrice as long as the body. The tube is much ■wider than usual in proportion to 

 the animal's size, and often symmetrical in shape, like that of F. longicaudata. Two 

 eyes are visible in the adult. This species is prolific and has often many eggs in its tube. 

 As many as twelve female eggs have been counted in the same tube ; and eighteen 

 male eggs in another. Found by Mr. C. Cubitt in 1871. 



Length, ,,'.j inch. Habitat. North Brook, Kent (Cubitt) ; ponds and marsh pools, 

 Forfar, Fife (J.H.j : rare. 



F. CAMPANULATA, Dohic. 



(PL I. Fig. 1.) 



Floscularia proboscidca . . . Ehrenberg, Die Infiis. 1838, p. 408, Taf. xlvi. fig. 1. 



,, ,, Dujardin, Hist. Nat. Zooph. 1841, p. 010. 



Floscularia campanulata . . Dobie, Ann. Nat. Hist. 2 Ser. vol. iv. 1849, p. '2:'..".. with pi. 



,, „ . . . Gosse, Popular Sci. Bev. vol. i. 1862, p. 167, pi. ix. figs. 4, 5. 



„ „ Pritehaid, Infusoria, 1861, p. 675, with fig. 



,, „ Hudson, Trans. Bristol Micr. Soo. Is07, 2 pis. 



Floscularia proboscidca . . Grenadier, Sieb. u. KOll. Zeits. Bel. xix. 1800, p. 48:1, with fit',. 



Floscularia campanulata . . Cubitt, Mon. Micr. J. vol. viii. 1872, p. 5, pi. xxiv. fig. 1. 



SP. CH. Lobes five, broad, without knobs, separated by distinct depressions ; 

 peduncle short ; setse radiating from the summits of the lobes, and fringing the whole 

 edge of the corona! cup. 



I think that Grenadier (loc. cit.) is right in supposing that Dr. Dobie's F. cam- 

 panulata is really Ehrenberg's F. proboscidea. Ehrenberg describes the latter as 

 having six lobes, and also a snout-like organ, of cylindrical form, beset with seta? like 

 those on the lobes, and rising from the depths of the coronal cup above its rim. Gren- 

 adier suggests, as Dujardin had done before him, that this snout-like organ is only the 

 dorsal lobe seen before the corona is fully expanded. I have thought it best, however, 

 to retain Dr. Dobie's name, as F. campanulata. has certainly neither a proboscis nor 

 six lobes : I confess, however, that I have little expectation of anyone's ever finding a 

 Floseule with either the one or the other. 



The setae often appear to be confined to the thickened summits of the lobes, forming 

 simply a tuft on each. They really, however, fringe the whole circumference of the 

 corona, sloping further away from it as they approach the bottoms of the depressions 

 between the lobes, and even at last pointing backwards towards the foot. The vascular 

 system has been described above, p. 47, and is shown PI. II. fig. 3. Only four vibratile 

 tags are given in Dr. Moxon's figure ; but Grenadier has seen a fifth, whose position 

 is shown in PI. II. fig. 4. A nervous ganglion has been seen by Dr. Moxon. It is 

 situated dorsally on the neck (PL II. figs. 3 and 4, gn). Nerve threads are drawn by 

 Dr. Moxon, as passing from the ganglion to the three antenna?. There is one dorsal 

 antenna, half-way up the coronal cup, and one on each side of the cup close to its junc- 

 tion with the body (PL II. fig. 3, a). They are little more than setigerous pimples. 

 When the coronal cup is furled, the dorsal antenna may be seen on the summit of the 

 contracted Floscule's pear-shaped body. The discovery of the male has been mentioned 

 above, p. 49. Its sperm-sac (s) and penis (jA are indistinctly shown in PL I. fig. 1, c ; 

 but the dead specimen from which I drew the figure was so lately hatched that its 

 cuticle was more than usually opaque. As many as twenty male 'eggs have been 



1 To obtain a correct notion of the completely expanded animal, the foot and case in PI. I. fig. 6, 

 should be supposed to be continued <juite two inches below the bottom edge of the page on which the 

 figure is drawn. A small, correctly proportioned figure, is given in PI. D, fig. 2. 



