3d Heavily armed infantryman in ancient Greece H--E--E
19d In philosophy, extreme sceptics who believe that one,s own existence is the only certainty. --L--SIST-
26a, Informal term for contrived but foolish talk C-A--R--
13a The coniferous forests extending across subarctic N. America and Eurasia --I-A
Also 28a Natural steroid alcohols such as chlosterol ST-RO-S
more than grateful for any help- I'm fairly sure of all the letters already in!
Thanks also to eddiebun. I got the 'E' from 1956 autobiographical work by Gerald Durrell M- -A---- A-D
O-H-- A-I-A-S I thought it was My Father and Other Animals?