THE ANNAI.S 



AND 



MlGAZhNE OF NATIUIAL UlSTUKY, 



[NINI'II SKRIKS.] 



" per litora spar^ite musciiiu, 



Naiades, et circiiin vitrc-os considite foiitus : 

 I'ollioe virf;iiii.'0 teiieros hic carpite (lores : 

 Floribiis et i)iotuni. divse. replete cauistruiii. 

 At V08, o XyniphiB Craterides, ite sub uudaa ; 

 Ite, recui'vato variata corallia trunco 

 Vellite mu8co^^i8 e riipihiia, et milii conchas 

 Ferte, De.c pelagi, et piii^iii conchylia siicoo." 



y. Purfheiiii Giiinitellasi, licl. 1. 



No. 25. JANUARY 1920. 



T. — Notes on Myriapoda. — XX. Luminous Chilopoda, 

 with Special Reference to Geopliilus car|)0|)liagus, Leach. 

 Hy Hilda K. Bkade-Birks, M.Sc, M.13., Cli.B., L.R.C.l*., 

 M.R.C.S., and the Rev. S. Gkaham Bkade-Birks, M.Sc. 



[Plates I. & TI.] 



I\ two previous papers, (i) and (2), we have referred to the 

 subject of light-production in centipedes ; we are now able 

 to discuss the phenomenon from first-hand observation, but, 

 at the same time, we think it advisable to begin our con- 

 sideration of this engrossing sul>ject by a I'eview indicating 

 the main lines of previous knowledge concerning it. 

 Especially does this course seem advisable when we re- 

 member how little has been written in English about 

 phosphoresceut centi pedes. 



I. Review. 



The four classes unnaturally, but conveniently, grouped 

 under the name ''Myriapoda" are: (i.) Diplopoda [ = mdlc- 

 pedes], (ii.) Chilopotla [ =ceutipedesj, (iii.) Pauropoda, and 

 (iv.) Symphyla. With a case or two where millepedes 



Ann. dc Mag. X. Hint. Ser. l>. VU. v. 1 



