134 
There is a midrib generally only in the lower portion of the leaflets; the 
other veins form anastomoses. 
Of this genus I have described two species from amongst the Australian 
fossils, one of which, however, remains somewhat doubtful. 
SAGENOPTERIS IlHOIEOLIA, Lrcsl. 
PI. XXVIII, Pigs. 1-5. 
S rhoifolia , Prcsl in Sternberg, Vers, eiuer PI. d. Vorw, 1833, II, p. 1G5, Tab. XXXV, f. 1. 
„ Schenk, PL d. Grenzschichten, 18G7, p. 57, Tab. XII, figs. 1-G. 
„ Pcistmantel, Poss. PI. Austr., Joe. cit., 1879, p. 170, PI. XII, figs. 1-1, 7. 
„ Tenison Woods, loc. cit., 1883, p. 128. 
Sp. Char. — Toliis pctiolatis 3-4 lobatis, segmentis integris, sessilibus, 
obtusis, latcralibus inaequalibus, rnediis sub-brevioribus; nunc mediis oblongis, 
lateralibus obovatis, nunc omnibus elongatis, lanceolatis, nunc rotundatis basi 
contractis ; nervo primario e basi crassiore apicem versus cvancscente, secun- 
dariis subangulo acuto eggredientibus, marginem attingentibus, repetito 
dicliotomis, anastomosantibus, retia prope rhachim latiora, marginem versus 
august iora formantibus. 
The leaf is petiolate, 3-4 lobate ; the leaflets entire obtuse, the lateral 
ones unequal, somewhat shorter than the middle ones; the form of the 
leaflets rather varying ; there is a middle vein only in the basal portion, 
higher up it merges into the leaf ; the secondary veins pass out at an acute 
angle, are repeatedly dichotomous, and form anastomoses broader in the 
middle and narrower towards the margin. 
Ohs . — Amongst the fossils which were sent to me by the late Rev. 
W. 13. Clarke, there were also the above figured specimens. I do not think 
there can bo any doubt as to their belonging to the genus Sagenopteris, and 
they arc most closely related to the species S. rhoifolia, so that I think I am 
justified in including the Australian specimens under the above species. 
Sagenopteris rhoifolia occurs both in 11 luetic and Liassic strata in 
Europe. In Queensland, ivliere the above specimens were found, I think it 
may partly indicate the latter formation ; it occurred together with Tceniopteris 
Daintreei, and Otozamites comp. Mandeslohi, Kurr. 
Locality and Horizon. — In the Carbonaceous beds at Talgai (Talgai 
Diggings), on the Condamine River, Queensland ; according to Mr. Tenison 
