CURRENT NOTES. 207 



Trenie.r and Teredon. Out' jnvcnciis (noctiliu) is a species of the genus 

 Sire.r, the American form having the varietal name cyaneus. Our 

 ///V/rt.f is a Urocerns and is not found in North America. 



We quote from the Entowologkal Neu's, June, 1913, p. 277, a state- 

 ment which we thoroughly endorse. " One of the crying needs of 

 descriptive entomological, and in fact of all zoological, work, has been 

 that of a standardisation of colours — the necessity for a uniform set 

 of terms having a fixed chromatic value which could form a basis 

 for colour-description and comparisons." A work dealing with this 

 subject, entitled Colour Standards and Colour Nomenclature, has been 

 written by Robert Ridgway, Curator of the Division of Birds, United 

 States National Museum, with many plates of Eleven Hundred and 

 Fifteen Named Colours, after twenty-six years of " thorough study of 

 the subject from every standpoint." We have not seen a copy of this 

 work, but the technique of the plates is said to be excellent, each 

 colour having been done in large sheets which were cut up into squares 

 to be placed on the plates. This work should prove of inestimable 

 value in all descriptive work. 



The question of E. li(jea and E. euryale is again discussed in the 

 VerJiandlun//en der Jc. k. tool. -hot. Gesellsc/taft in Wien, pt. 1-2., 1918, 

 by D. H. Zerny, from the point of view of the androconial areas of 

 these two species and var. adyte in the large amount of material from 

 all the main mid-European localities and from Scandinavia in the 

 Vienna Hofmuseum. He considers that A', liyea and E. euryale are 

 quite separate species, but that regarding the form adyte a confusion 

 has arisen. The adyte of Hiibner he concludes is a form of E. euryale, 

 but the specimens so named coming from Norway, and very similar in 

 appearance, are a form of E. liyea, and, he remarks, want a varietal 

 name. In tbe same part are two figures of var. turcica $ and $ 

 of Melanaryia yalathea, and upper and underside of Jslelitaa aurelia ab. 

 corythalina, a form not often figured, together with another named 

 form of Parnassius apollo, viz., var. transsylvanicus. Erebia christi is 

 analytically compared with E. epiphron var. valesiana by Herr 

 Schwingenschuss, giving both the distinctions which are quite constant 

 and those which may vary to a more or less definite amount. 



In the Berlin Ent. Zeit., 1912, pts. 3 and 4, just issued, there are 

 figures of two aberrations : (1) Fapilio podalirius, in which the trans- 

 verse bands are partially suppressed and otherwise indistinct, band 8 

 being represented only by a large spot; and (2) of P. machaon, in which 

 the outer third of the cell of the hindwing is strongly emphasised in 

 black and having a transverse black line across the cell, leaving 

 an enclosed yellow oval. In the same number is a contribution by 

 Dr. Paul Schulze on the variation shown in Drepana lacertinaria, with 

 a plate of twelve figures. The forms noted ars as follows : — 



Drepana lacertula, gen. aest. erosula { = aestiva), the summer brood. 

 ,, ,, var. (etab.) scincula, the Lapland form. 



„ „ ,, ,, ab. r»^e/7'rfs,likethefirstgener- 



ation in colour and markings. 

 „ ,, ,, ,, ab. ronjuncta, the two trans- 



verse lines approach below the discoidal spot. 

 „ „ „ hrykaria, the Finland form. 



,, ,, ,, ,, ab. dimidiata, larger in size. 



,, „ ,, tacoraria, the Kentish form, small. 



