52 BULLETIN 81, UNITED STATES NATIONAL MUSEUM. 



Genus HABROTROCHA Bryce. 



Habrotrocha Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



Type (by designation of Woodcock, Int. Cat. Sci. Lit., vol. 10, 1911, Zoology, VI, 

 p. 45). — Habrotrocha angusticollis (Mwrrsij) = Callidina angusticollis Murray. 



HABROTROCHA ACORNIS Murray. 



Hahrotrocha acomis Murray, Joum. Royal Micr. Soc, 1911, p. 13, pi. 2, fig. 7. 



HABROTROCHA AMPULLA Murray. 



Habrotrocha ampulla Murray, Joum. Royal Micr. Soc, 1911, p. 11, pi. 2, fig. 6. 

 HABROTROCHA ANGULARIS (Murray). 



Callidina angularis Murray, British Antarctic Exp., vol. 1, 1910, p. 49, pi. 12, fig. 12. 

 Habrotrocha angularis Bryce, Journ. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



HABROTROCHA ANGUSTICOLLIS (Murray). 



Callidina angusticollis Murray, Trans. Royal Soc. Edinburgh, vol. 41, 1905, p. 374, 



pi. 3, fig. 2. 

 Habrotrocha angusticollis Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



HABROTROCHA ANGUSTICOLLIS ATTENUATA (Murray). 



Callidina angusticollis attenvxita Murray, Joum. Royal Micr. Soc, 1906, p. 640, pi. 19, 



fig. 9. 

 Habrotrocha angusticollis attenuata Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 



1910, p. 75. 



HABROTROCHA ANNULATA (Murray). 



Callidina annulata Murray, Trans. Royal Soc. Edinburgh, vol. 41, 1905, p. 375, pi. 3, 



fig. 3. 

 Habrotrocha annulata Bryce, Journ. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



HABROTROCHA APPENDICULATA Murray. 



Habrotrocha appendiculata Murray, Joum. Royal Micr. Soc, 1911, p. 14, pi. 1, fig. 4. 

 HABROTROCHA ASPERA (Bryce). 



Callidina aspera Bryce, Journ. Quekett Micr. Club, ser. 2, vol. 5, 1892, p. 23, pi. 2, 



fig- 4. 

 Habrotrocha aspera Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



HABROTROCHA AURICULATA Murray. 



Habrotrocha auriculata Murray, Journ. Royal Micr. Soc, 1911, p. 16, pi. 2, fig. 8. 



HABROTROCHA BIDENS (Gosse). 



Callidina bidens Gosse, Ann. Mag. Nat. Hist., ser. 2, vol. 8, 1851, p. 202. 

 Habrotrocha bidens Bryce, Joum. Quekett Micr. Club, ser. 2, vol. 11, 1910, p. 75. 



HABROTROCHA BROCKLEHURSTI Murray. 



Habrotrocha brocklehursti Murray, Journ. Royal Micr. Soc, 1911, p. 15, pi. 1, fig. 5. 



HABROTROCHA CAUDATA Murray. 



Habrotrocha caudata Murray, Journ. Royal Micr. Soc, 1911, p. 10, pi. 1, fig. 1. 



