



\ . 



., 



,#<*rtf* 



JS " ~- * 



- f < a 



, > ' 



** * v ' 

 "'. -*'U 



' 



f: 



A x .V!:.^*,^ 



Tiiut.--d r.y l 



EXPLANATION OF THE PLATE. 

 1. pith of Stem of H; a, transverse section ... jr-ils objective 



ith 



i 



2. Sarc 



3. Human Blood Cor; , rapidly dried 



arasite from Field Mouse 



5- Bone, Mammalian, transverse section. 



6. Parasite, Louse of Mart:n 



7. Diatom, Licmo phora flahellata -Jth 



8. ,, Disc, from Fossil Ear) 1 ... ^ 5 th 

 i. Pleorosigma decorum -,'.jth 



10. ,, ,, angulatum 



11. Male Flea of Pigeon Is inch 



12. Diatom, part of the Valve of Pleuros mosum. 



13. Female'plea of the Mole ... i inch 



