Comparative Study of Clilorophyll. 407 



1. Dark band, from \ 698 — X 655 ) -rr- . t 

 ^-r.11 1- ,N^.o-r= Kraus 1. 



2. Pale band, its centre at A 64o'o ) 



3. Absorption, its centre at X 618'5 = „ II. 



4. Absorption, its centre at X 578 = ,, III. 



5. Absorption, its centre at X 485 = „ V. 



6. Absorption, its centre at X 436 "o = „ VI. 



Stango'ia paradoooa, Moore. 



One leaflet examined in cjas-KCTht showed — 



1. A dark band: X 690 -X 662. 



2. A paler band : X 652 - X 643-3. 



3. A still paler band, its centre = X 585. 



4. General absorption commencing at X 507. 



Podocarpus pi'uinosics. 



One leaflet examined in gas-light showed — 



1. Dark band: X 686 [centre = X662] - X 652. 



2. Pale band: X 643-5 -X 633. 



3. Slight absorption, its centre about X 576. 



4. General absorption commencing at X 503. 



Hedychium coronarium, Koen. 



A. One leaf examined in gas-light showed — 



1. Dark band : X 686 - X 672. 



2. Paler band, from X 672 - X 656. 



3. General absorption commencing at X 506. 



B. Two leaves laid together and examined showed — 



1. One dark band : X 695 — X 622. 



2. Absorption, its centre at X 574*5. 



3. Absorption commencing at X 560, and becoming 



markedly darker at X 490, as if this corresponded 

 to the centre of first band in the blue ; with 

 very strong light there seemed to be compara- 

 tively less absorption about X 466. 



Pifcairnia corallina, Pendell Court. 



One leaf examined in gas-light showed — ■ 



1. One dark band : X 686 — X 653. 



2. Paler band, from X 653 [centre = X 643] - X 633. 



3. General absorption commencing at X 511. 



