| OCR Text |
Show 49 8. (7) Abdominal gills on middle segments either fork ed (Fig. 45), with double lamallae with fringes (Fig. 55) or projections (Fig. 60L 0 Abdominal gills middle segments on •.• more oLEPTOPHLEBIIDAE less or oval, not as above; gill lamellae without fringes or projections (Figs. 25, 29)000 •• 9. (8) 0 .. 000 ••• 0 .. 0 ••••.•.. 9 19 Body and head not flattened dorso-ventrally as above, head higher than long (Fig. 26); gills va r Lab l e 21 0 •• 0.00000 , (2) •• Body flattened dorso-ventrally; head capsule flattened and with a marginal rim (Figo 36); gills with a lamella and fibrilliform portion. oHEPTAGENIIDAE, 0 10. 00 14 Tibial spine one-half fore ••• tarsi lateral, on three times long 000000.0.00.0.0. o.o .....•. legs long, lobed tip; tusks as o o •. BAETIDAE claw of fore antennae .. o than more the tarsi; of length as 0 •.••...... on the •.• fully •••••••••••••••• ooEuthyplocia Tibial spine of fore legs shorter one-fourth length of the tarsi; claw of fore'tarsi terminal on truncate tip; antennae shorter rarely longer than tusks the •••• 11. (3) Inner margins of prominent basal several o o_ " " " Inner inent " " to 0 0 • 4) " " (5) " " tubercle " " " 0 " • " " " in the occur Q • 0 0 " " ••• o ••. o ..•. o.Campylocia single a e " " " e tusks with this to 12) distally (Fig. c apical half basal o tubercle and tubercles " mandibular margins of tooth also may 't' 120 0 ••• tusks with sub-basal or smaller many 0 mandibular o.oo a " 0 " " Q Q " " " " "Campsurus prom prominent a (Figo l4) •••• , ooo.Tortopus portion of gills on segments 2-7 oval portion well developed; ventral to others; coxae of metasimilar ff,rst gill thoracic legs much smaller than femorao Lamellate fibrilliform .•.•..•.•.•• Lachlania portion of gill on segments 2=7 lanceolate fibrilliform portion wanting; ventral fibrilliform portion of first gill greatly enlarged; Homoeoneuria cxae of metathoracic legs larger than femora Lamellate ... 13. (7) Operculate gills triangular (Fig. present on legso ••.•. o.o.oo •• o ••• 42); o.oo setae .•.•. Operulate gills elongate-oval (Fig. 41) spines present on legs. 0 0 .• 0 ••••• 0 •• 0 0 0 • 00 o.o •• ••• 0 • Tricorythodes 0 Q Leptohyphes |
