256 c. d. soar on the work of the late saville-kent 



List of Species. 

 The localities are those given by Saville-Kent. 



1. Acercus lapites MiilL, 1781. 

 Kew Gardens, 1882. 



2. Acercus lutescens Herm., ISO-t. 



Barnes Common and Wandsworth Common, 1868. There is 

 one slide of a well-developed nymph showing adult forming inside. 

 Ova deposited April 29th ; larvae appeared May 11th, 1868. 



3. Acercus ornatus Koch, 1835. 

 Pond near Perivale Church, 1869. 



4. Acercus torris Milll., 1776. 



Wandsworth Common, April 25th, 1869, This is the first 

 British record. 



5. Arrhenurus albator Miill., 1776. 



Kew Gardens, 1880. Wandsworth Common, 1881. Acton, 

 1883. This last year was the year it was first recorded for 

 Britain in Science Gossip by Dr. George. 



6. Arrhenurus bifidicodulus Pier., 1884. 

 Kew, 1881. Three years before it was named. 



7. Arrhenurus caudatus de Geer, 1778. 



Barnes Common, Wandsworth Common, and Ilampstead 

 Heath, 1868. 



8. Arrhenurus crassicaudatus Kram., 1875. 



Kew Gardens, 1868. Saville-Kent gives a pencil drawing of 

 this mite, but it was not named by Kramer until sev^en years 

 afterwards. 



9. Arrhenurus crassipetiolatus Koen., 1885. 



Two fine male specimens found by Saville-Kent on Wandsworth 

 Common in 1868. 



10. Arrhenurus fimbriatus Koen., 1885. 



Kew Gardens and Wandsworth Common, 1880. This is the 

 first record for Britain, and I have not heard of its being found 

 since. I had to unmount and remount this mite before I was 

 sure of the species the slide was in such a bad condition. This 



