xvi CHEMISTRY OF THE PROTEIDS 



Haemoglobin, 465-527 : 



Chart of Haemoglobin-derivatives, 465. 



Haemoglobin : distribution, 466 ; methods for recognition, 467 ; chemical 

 composition, 469; different haemoglobins, 471; resisting power as 

 regards putrefaction and tryptic digestion, 472 ; rotatory power, 477. 



Histo-hsematins, 473. 



Crystals of haemoglobin and oxy-haemoglobin, 474-478. 



Gaseous compounds of haemoglobin and its optical properties, 478-507 : 

 Table of Fraunhofer's lines, 479, and vibration - frequencies of 

 different lights, 480. Oxy-haemoglobin, 480 ; reduced haemoglobin, 

 481 : Determination of oxygen - capacity by Haldane's ferricy- 

 anide method, 483 ; absorption coefficients of blood, plasma, etc., 

 484; dissociation of oxy - haemoglobin, 486-491; physiological 

 importance of C0 2 -tension on oxygen-absorption, 490. 



Methaemoglobin, 491-495. Acid-haemoglobin, 495. Kat-haemoglobin, 

 497. Carbonic - oxide - haemoglobin, 497. Carbo-heemoglobin, 501 ; 

 Carbo - haemochromogen, 501. Carbo - haemoglobin, 502. Nitric- 

 oxide-haemoglobin, 502. Sulph-haemoglobin, 504. Cyan-methae- 

 moglobin and photo-methaemoglobin, 505. Azo-imide-methaemo- 

 globin and acetylen-haemoglobin, 506. 



Dissociation-products of haemoglobin, 507-527. 



Haematin, 508 ; haematinic acids, 511. Haemin, 514 ; Haematin, 519 ; 

 Haemochromogen, 522. Haematoporphyrin, 524. Mesoporphyrin, 

 527. 



Relationships of haematoporphyrin to other naturally occurring colour- 

 ing matters, 528 ; phylloporphyrin, haematoidin, urobilin, 528 ; 

 bilirubin, heemocyanin, 529 ; phycoerythrin, phycocyan, etc., 530. 

 Glyco-proteids, 530-550. 



General remarks, 530-533. 



Mucins, 533-540 : submaxillary-, 535 ; bile-, 537; bronchial-, 537; snail-, 

 538 ; pseudo-, 538 ; para-, 540. 



Mucoids, 541-550 : from tendons and bones, 541 ; chondro-mucoid and 

 chondro - sulphuric acid, 542 ; from vitreous humour, cornea, 

 umbilical cord, 546 ; ovi-mucoid, 547 ; from serum, urine, ascitic 

 fluid, 548 ; from egg-coverings of sepia and sponges, 550. 

 Phospho-glyco-proteids, 550 : 



Helicho-proteid, 550 (for ichthulin, see p. 405). 



CHAPTEE XI 



THE ALBUMINOIDS . 



General remarks, 552-556. 



Collagen and gelatine, 556-567. Keratin, 567. Elastin, 569. Fibroin and 



silk-glue, 571. Spongin, conchiolin, etc., 572. Amyloid, 574. 

 Albuminoids, 576-579 : sarcolemma, 576 ; membranin, 577 ; osseo-, chondro- 



lens-, chorda dorsalis albumoid, 577 ; ichthylepidin, keratinoid, 



reticulin, 578 ; cuticle of worms, 579. 



CHAPTEK XII 

 MELANINS ........ 



INDEX 



