Tue ZooLocist—JunE, 1872. 3115 
The structure of these lobes, as exhibited in the drawings, presented various 
modifications not hitherto noticed or described, and which Prof. Westwood 
was of opinion would be of much service in specific determination in the 
group. He further exhibited similar preparations of various species of 
fleas. The antennz of both sexes of Pulex vespertilionis, those of a female 
flea from the nest of a Parus, &c., were beautifully serrated. The head of a 
cat's flea showed a series of very strong bent spines on either side of the 
mouth-organs. The genital organs of a male of Pulex irritans showed a 
very complicated structure, the spermatic vessels being extremely long and 
convoluted. Finally, he exhibited drawings of a species of Coccophagus, 
a genus of minute parasites of the family Chalcidide, which attacks the 
Coccus found on the rind of oranges; the male, just hatched, had been sent 
to him on the preceding day by J. W. Gooch, Esq., of Eton, accompanied 
by the following letter :—‘ Some time since I sent you a sketch of an insect 
-I had frequently seen in the interior of the Coccus of the orange. This you 
kindly told me pertained to your genus Coccophagus. The other morning; 
when watching the movements of the insect in situ, I saw it commence to 
eat a hole through the skin and covering of the Coccus, and gradually work 
its body free. As you asked me for a specimen of the perfect insect, I send 
you one, which I have obtained after five years’ search. It seems the most 
beautiful object I think I ever saw. I have now had it for four days in the 
accompanying glass cell, and find the best method of illuminating it for 
microscopic examination is by means of the parabolic condenser, or spot- 
lens, and then, under a half-inch power, it certainly strikes me as most 
exquisite.” 
Mr. Jenner Weir was glad to find the microscope being now so much 
brought to the aid of entomological investigation, and remarked on the 
uncertainty attending the description of the objectives used, inasmuch as 
the same nominal powers varied immensely in results according to the 
makers of the glasses. 
Papers read, &c. 
Mr. Albert Miller read the following notes concerning the habits of 
Anaspis maculata, Fourc. :— 
‘““A short time ago Mr. George Norman kindly sent to me, at my request, 
some large, woody, tumour-like excrescences on birch, from Forres, because 
I had a notion they might be caused by insect-agency. I am none the 
wiser as regards their origin even now, but having taken the precaution of 
consigning them to a separate glass jar, an unexpected little scrap of beetle 
history has turned up. On the 28th of February last I noticed that a 
whitish, cylindrical, thirteen-jointed, coleopterous larva, six millimétres in 
length, had dropped from one of these excrescences. 
“Turning over the plates of Chapuis et Candéze’s ‘ Catalogue des larves 
des Coleoptéres, I met with its counterpart on plate vii., fig. 5, copied as 
