Nicholls and Jackson. — New Hpccies of Mcgahiseolex. 147 
7 M. aivarhricM, Spcrmatliec'a. 
8 Transverse section through clitelluin of the same, showing 
the thickening of the glaiulular layer. 
9 Transverse section through the male genital region of the 
same sliowiiig the o])eniiigs of the spermidueal ducts. 
10 Transverse section tlirough the sperinathecal region of the 
same showing the close approximation of tlie sperniathecal 
pores. 
Hei>'eki!:nce Letters. 
1). sp., 
vc'ssel ; 
gland 
pore; 
ph.gl., 
sp.gl., 
pore ; 
I)ase of spenuatheca; lir., brain; b.w., Ijody wall; blv., Idood 
c.m., circular muscle; ep., epidermis; gii^., gizzar{l ; ghc., 
cells; 1 . 111 ., longitudinal muscle; m.g., mid-gut; imp., male 
me., nerve cord; neph., duct of nepliridium; oes., oesophagus; 
pharyngeal gland; S]'., sj)erma.t]ieca ; sp.d., spermiducal duct; 
spermiducal gland; s]ih., spermatophore ; sp.p., spermatheeal 
sp.s., sperm sac. 
■printed for the Iloyal Society of Western Australia by R. 3 
Sampson, 971-973 Hay Street, Perth. 
