SCIENCE- G OS SIP. 



197 



processes that axe possibly used in the construction small particles into the mouth ; there appears to 



of the tube. This specimen was taken from a lie also a stream of rejected matter, which <• 



pond near Dollis Hill. out through a small circular opening and moves 



Limnias cevatophylli is also not common, but I away in a curved current in the water. This 1 



have found it in the Round Pond and the Leg of have not noticed in any other family. 



Mutton and Viaduct Ponds at Hampstead. The Melicerta ringens is, if one of the commonest, 



A Group of Rotifers. 

 (Drawn from Life by IV. Wesche.) 



1. Floscularia cornuta. 



2. F. cornuta, male. 



3. F. ornata. 



4. F. ornata (cilia retracting). 



5. Asplanchna priodonta. 



6. Melicerta ringens. 



7. Metopidia solicits (dorsal 



view). 



8. M. solidus (side view). 



!). Cephalosiphon limnias. 



la. Stephanoceros eichhornii. 



11. ColliniS i/rfl, .ri,s. 



12. Stephanops lamellaris. 



13. Cephalosiphon limnias 



(cilia retracting). 



14. Diglena catelina. 



15. Limnias ceratophylli. 



16. Floscularia campanulata. 

 \7. Itdtif r tardus. 



is. Distylaflexilis. 



19. J'/ifiil/i/l,/ /III/ illi'. 



20. 0i cistt s stygis. 



21. Actinur-us neplunius. 



22. Furcularia gibba. 



23. Rotifi r vulgaris, 



24. Mi Uci n,i rimj us. 

 26. ' Si -pentinus. 



26. Mastigiocerca carinata. 



27. Polyai h ;• platipti ra. 



25. Furcularia longii 



tube is very neat and tidy, and seems made of 

 some chalky substance, appearing light grey in 

 colour. The two lobes of cilia drive a stream of 



one of the most interesting: species. There is 

 always fascination in watching the animalcule 

 make its pellet, and place it in position on the 



