Z : SMITHSONIAN MISCELLANEOUS COLLECTIONS : VOL. 48, PL. XLV 
Wye 
HVA. VAIAX O6-y ae LE LZ 
eas an aR 
4 2 5 <r: Ws LVS 
AED: 
os 
; 
ORG 2-3, 
eek a es 
SEINE SZ 
BS 
BS 
i) 
ys 
1. Gyrinochilus, rom above. 2. Gyrinochilus, \ateral view. 3. Gyrinochilus, mouth. 4. Homaloptera ocellata, from below. 
5- Homaloptes a ocellata, lateral view. 6. Nemachilus barbatula, head and thoracic region to show the double subcutaneous aperture 
of the air bladder, 
