The Bdelloid Rotifer a of the Forth Area. 229 



13. Plate, L., Rotatorienfauna des bottnisclieii Meerbusens, 



Zeitsch. f. wins. Zool., Bd. xlix., 1889. 



14. Scott and Lindsay, Rotifera from the Upper Elf Loch, 



Trans. Edin. Field Nat. and Micr. iSoc., vol. iii., 1898, 

 p. 382. 



15. Thompson, P. G., Moss-haunting Rotifera, Science Gossip, 



1892, p. 56. 



16. Weber, E. F., Rotateurs des environs du Geneve, Archiv. 



Biologic, T. viii., 1888, p. 24. 



17. Weber, E. F., Faune Rotatorienne du bassin du Leman, 



Rev. Suisse de Zool., 1898, p. 306. 



18. Western, G., Philodina Macrostyla and Rotifer citrinus, 



Jour. Queckett Micr. Club, ser. 2, vol. iv., 1890, p. 87. 



19. Zelinka, C, Studien iiber Raderthiere, 1, Zeitsch. f. wiss. 



Zool, Bd. xliv., 1886, p. 396. 



20. Zelinka, C, Studien iiber Raderthiere, Zeitsch. f. wiss. 



Zool, Bd. liii., 1891. 



Explanation of Plate. 



Fig. 1. Philodina brevipes, variety. 



a. Dorsal view, showing the "sordid" trunk, small eyes, and 



pointed egg. 



b. Jaw. 



c. Spurs. 



Fig. 2. CalUdina niieroccphala. n. sp. 



a. Dorsal view. 



b. Head, on larger scale. 



c. Jaw. 



d. Rostrum. 



e. Spurs. 



