REPORTS OF SOCIETIES. 59 



Fig. 1. — Wood-Louse from mounted slide. 



,, 2. — Cockroach from same. 



,, 3. — The dorsal surfaces of the three thoracic segments of the 

 same in a subsequent stage, the plates not entire, but the 

 lateral portions which form the wings distinguishable upon 

 them. 



„ 4. — The same in the perfect female insect, the tegmina fully 



formed and detached, the posterior wings still remaining an 



integral portion of the dorsal surface. 



In Figs. 2, 3, and 4, pr. represents the pro-thorax ; ms. the meso ; 



and mt. the meta-thorax. The light-coloured, central portions in 



these drawings are, I believe, homologous with one another, and the 



dark colour with the dark colour. 



Drawn by Arthur Hammond. 

 We much regret that the exceedingly interesting article to which 

 the lower jiart of this plate refers is unavoidably omitted for want of 

 space ; it will appear in our next. — Ed. 



Plate VI. 

 Fig. 1. — Seed of African Burweed, x 2^ diam. 

 ,, 2. — Section of the same through the centre. 

 ,, 3. — Hook from the same, enlarged. 

 ,, 4. — Hook from British Burdock. 



Drawn by H. L. Maynard. 



5. — Sorus of Aspidium. 



>) 



,, 6. — Leafy stem of Trlchocolea tomentella. 

 ,, 7. — Branching portion of Leaf. 

 ,, 8. — Cells of lower part of Leaf and Stem. 

 ,, 9. — Root Hair. 



Drawn by H. M. Klaassen. 



IRcporte of Societies, 



[ IVe shall be glad if Secretaries will send us fiotice of Meetings 

 of their Societies. Short abstracts of papers read, and principal 

 objects exhibited, will always be acceptable.'] 



COUNTY OF MIDDLESEX NATURAL HISTORY 

 AND SCIENCE SOCIETY. 



THE first Evening Meeting of the " County of Middlesex 

 Natural History and Science Society" for practical work 

 was held on the i6th Nov., i886, at the Townhall, Kilburn, 

 nearly 200 members being present. 



