. Review of reviews and world's work. volved in bac-terial horiiruiliire is no small one. Most bacteriagrow on a jelly made up with meat, peptoneand the extract from a Ja|>anrse seaweed, , however, require very special foods, asvariously and exact!) compounded as those tiiatare prepared in the diet kitchen of a mu«t have egg; some, lilood; some, milk;some, salli of s|)r<ial kinds. Some need air,wliile fftiirrs must br rullivalril in lubri fromwhich fixvgrii has been rrnwivrd by spriial clirin-iral ttiran*. Some will li\r for weeks withoutattention, while oilirrs mi
. Review of reviews and world's work. volved in bac-terial horiiruiliire is no small one. Most bacteriagrow on a jelly made up with meat, peptoneand the extract from a Ja|>anrse seaweed, , however, require very special foods, asvariously and exact!) compounded as those tiiatare prepared in the diet kitchen of a mu«t have egg; some, lilood; some, milk;some, salli of s|)r<ial kinds. Some need air,wliile fftiirrs must br rullivalril in lubri fromwhich fixvgrii has been rrnwivrd by spriial clirin-iral ttiran*. Some will li\r for weeks withoutattention, while oilirrs miikl be transferred to afresh tube of f<»o«| jelly every three days. AlatHiraiory helper is busy all the time prepnrint;the rullurr media for these small but riaciingplanla, white ihr ba(irri<ilo|;i<i in ((r in <|iiiiefully CKCiipird in iraiisfrr riiig llirin .ii ihr |iiiiprrlirnr and to the proper medium by ioii<liiiiK ilieuld growth vsiili ihr lip Iff a nccdt* 336 THE AMERICAN REVIEIV OF REJIEJfS. FOUR tOLONIKS OF LIVING BACTKRIA ON EXHIBITION AT THE AMERICAN MlSEUM OF NATURAL HISTORY IN NEW YOR^ CITY (Each rontains millions of irxlividiials and has grownfrcim an invisil)lc inoculation of the nutrient jelly. Inorder, from the top, they are: the )>ink liacillns,a typical-looking colony, so-called hecausc of the pinkpigment it proihues when grown on agar jelly: thenitrof^en-tiying bacterium, which grows in the soil andassinulatcs atmospheric nitrogen to serve as food forhigher plants: the ray fungus, which iiroiluces a cattledisease to which man is also suhjert; tne yellow coccus,a microbe common in the air, which produces a yellowcolor when grown in a culture medium.) ai)d transferring an invisible, hut potent, inocu-liiin to a new nilture tube. There are now about seven hiimlred different•trains of living bacteria in the museum collec- tion, representing practically all known n-pes ofthis diverse group. Bubonic plague has aloneb
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Keywords: ., bookcentury1800, bookdecade1890, bookidreviewofrevi, bookyear1890
