1902} MICROSCOPICAL JOURNAL. 93 
a Lobes 7, knobbed.................. regalis 
b Adherent; dorsal lobe larger ; setae very short, not 
vibratile ; body long, and narrow.... .....calva 
b Free-swimming, (c) 
c Tube apparent; dorsal lobe larger; sete vibratile........... mutabilis 
c Tube none; dorsal lobe hood-like; eye 1; toes 2....00000....... chimera 
d Dorsal lobe with 2, large, flexible processes Hoodii 
d Dorsal lobe broad, without processes, (e) 
e Corona symmetrically dotted ; living among Alge; 
small... ws ee al gicola 
e Corona not dotted ; not parasitic, (f) 
f Setz a double row, continuous around the margin, (g) 
f Sete a single row, not continuous; 2 small lateral lobes 
Oo SRB: SNE TIRES SR Nee EE ON Ea Py A ambigua 
g Dorsal lobe hood-like cucullata, Q., 1894, 335 
g Dorsal lobe not hood-like; interlobular depressions 
very deep f4 trilobata 
h Lobes linear: sete not vibratile vasceee ener COFONEttA 
h Lobes linear; sete very long, in constant pea ag PET HERI UO mira 
h Lobes triangular; with a dorsal process... eee cece cornuta 
h as " no dorsal process ....ornata 
h Lobes very short, knobs subsessile... licences cyclops | 
i Lobes pointed, very long and slender ; sete in 2 opposite 
ess Sc oo hcp Wes uspsduanaagsetedndondancyeds Millsii. Sup, 
i Lobes pointed, dorsal largest, lateral smallest ; peduncle 
long i ihe longicaudata 
i Lobes broad, (k) 
k Dorsal long, trifid; foot twice body-length 
.trifidlobata, Q., 1895, 77 
k Dorsal lobe arched, its sete pointing downward 
ARAM my torquilobata, J, 1891, 302 
k Dorsal lobe broad, coronal margin with short spines; 
sete long spinata Q., 1893, 281 
k Dorsal lobe broad; no spines; sete radiating and 
REALE NE SCRRASA EMEReRATIRC PEER ONE! campanulata 
2. Acycius. I., 57. 
Only REET ERE IV ae ae ARERR eR DRC LN Oe UNG Th inquietus 
3. Apsizius. I., 58. J., 1896, 269. 
a Coronal cup and its frontal margin oblique, (b) 
a Coronal cup and its frontal margin horizontal; 
LRAT TRESS SEDAN PINAL ENED Y HER REE OO NNN vorax 
b Ganglion cervical, (c) 
b Ganglion on dorsal wall of Ctpo..ii. oc eceeccceceeeeeeeer ee lentiformis 
c Ventral border of cup with central, convex, lobe-like 
RIED cos cccesnetn ca sdiiedin gh ic! ols Sau vebadinscbstib nag ged Shaan gel Guan vols bipera 
c Ventral border of cup even, without central lobe... bucinedax 
