MB. W. MALDfG ON LEPIDOPTERA. 141 



9. 1870.— Description of a Labyrinthodont Amphibian, a new generic 

 form, obtained in the Coal Shale at Newsham, near New- 

 castle-upon-Tyne. Nat. Hist. Trans. Northnmb. and Durh., 

 IV., pp. 208-218} Ann. Nat. Hist., 1870, VI., pp. 56-65. 



10. 1871. — Description of a considerable portion of a mandibular ramus of 



Anthracosaurus Russelli ; with notes on Loxomma and 

 Archichthys. Nat. Hist. Trans. Northnmb. and Durh., IV., 

 pp. 385-397; Ann. Nat. Hist., 1871, VII., pp. 73-83. 



11. 1871. —A few remarks on Dipterus and Ctenodus, and on their rela- 



tionship to Ceratodus Forsteri, Krefft. Nat. Hist. Trans. 

 Northnmb. and Durh., IV., pp. 397-407; Ann. Nat. Hist., 

 VII., pp. 190-198. 



12. 1871. — Descriptive notes on a nearly entire specimen of Pleurodus 



Rankinii, on two new species of Platysomus, and a new 

 Amphicentrum ; with remarks on a few other Fish-remains 

 found in the Coal Measures at Newsham. Nat. Hist. Trans. 

 Northumb. and Durh., IV, pp. 408-423. Ann. Nat. Hist., 

 1872, IX., pp. 249-262. 



IX. — Notes on the Occurrence of Lepidoptera in Northumberland 

 and Durham, in 1874. By William Maling. 



On account of the lamented death of my late friend, Mr. Thomas 

 John Bold, who had attained a European fame by his labours 

 and knowledge of Natural History, more especially in Coleoptera, 

 I have been requested to furnish the Society with my Notes on 

 Lepidoptera. I now do so, though I feel myself inadequate to 

 perform the task. For several years Mr. Bold, in framing his 

 Entomological Beport, has had the benefit of my Notes, as the 

 severe affliction under which he suffered for many years previous 

 to his decease, rendered him quite incapable of pursuing his 

 studies out of doors. 



The mild winter we experienced in 1873-4, followed by the 

 droughty summer, proved not to be favourable to insect life, 

 many larvae not attaining their full growth, and others not 



