CONTENTS ^^ 



c. Agar media containing commercial digests and materials of ani- 

 mal origin other than extracts or infusions. 



Section 5 (Med. 1628-1660) ....... 469 



d Agar media containing commercial digests and extracts or in- 



fusions of animal origin. Section 6 (Med. 1661-2028) 481 



e. Agar media containing non-commercial digests. 



Section 7 (Med. 2029-2078) . 650 



f Agar media containing unknown constituents of plant origin but 



no digests. Section 8 (Med. 2079-2141) 674 



e Aear media containing unknown constituents of animal origin 



but no digests. Section 9 (Med. 2142-2192) 690 



h Agar media containing unknown constituents of ash or soil origin 



but no digests. Section 10 (Med. 2193-2198) 708 



VII KEY TO THE SUB-GROUPS OF REVERSIBLY SOLID GELATIN MEDIA. 



Group III (Med. 2199-2371) 711 



A Sub-group IIIA. Key to gelatin media containing no other organic 



materials. (Med. 2199-2204) 711 



B. Sub-group IIIB. Key to sections of liquefiable gelatin media containing 



additional organic materials. (Med. 2205-2371) 713 



1 Gelatin media with all other constituents of known composition. 



Section 1 (Med. 2205-2234) 713 



2 Gelatin media containing digests and other materials of unknown 



composition. Section 2 (Med. 2235-2323) 718 



3 Gelatin media containing materials of unknown composition other 



than digests. Section 3 (Med. 2324-2371) 752 



VTII KEY TO REVERSIBLY SOLID MEDIA OTHER THAN AGAR OR GELATIN. 



Group IV (Med. 2372-2382) 765 



IX KEY TO SUB-GROUPS OF IRREVERSIBLE SOLID MEDIA; INITIALLY 

 LIQUID; SOLIDIFYING AGENT ORGANIC. 



Group V (Med. 2383-2466) 768 



A Sub-group VA. Irreversibly solid media, solidified by materials of plant 



origin. (Med. 2383-2397) 768 



B Sub-group. VB. Irreversibly solid media, solidified by blood or its deriva- 

 ■ thres. (Med. 2398-2430) 772 



C. Sub-group VC. Irreversibly solid media solidified by materials of animal 

 origin other than blood (eggs, etc.). 



(Med. 2431-2466) 788 



X KEY TO IRREVERSIBLE SOLID MEDIA; SOLIDIFYING AGENT INOR- 

 GANIC. Group VI (Med. 2467-2485) 803 



