2012年11月19日星期一

Observation 3 --- Week 5 (observation time: 16th Nov 2012)

In this weeks, i am still be lucky to find new organisms. however a lots of the organisms starts to die. i can see lots of reains of organisms on the glass. This time i am only focus on a region only which is near the soil at the bottom.

 1. The organisms i find in the past observations 

(Eucblanis,Vorticella and Blepharisma)

 I am not going to give further explaination of these three organism, please refer to my previous two observations.

Eucblanis

  Fig 12.1

The picture below the dead Eucblanis, we can see that it does have a very tough outer layer, and the tail. 

 Fig 12.2

 Vorticella

 Fig 12.3

Blepharisma

  Fig 12.4

The the follow few organism is what i find new in this observation

2.Chrysamoeba 

 Fig 13

this organism does not move a lot, and within itself we can see lots of vacules too. it has very unique shape as well.  

Referance:

    Patterson DJ.1992. Free-Living Freshwater Protozoa. Washingon DC: ASM Press. Fig 140, 75 p. 
3.Fragellaria 
 Fig 14.1
this is a rectangle substance has a goldish-yellow color under microcsope in this observation. it is almost everywhere at the bottom. the picture below brings a close look of this substance. 
 Fig 14.2

Referance:

    Rainis KG and Russell BJ.1996. Guide to Mirolife. New York, London, Hong Kong and Sydney: Franklin Watt Publisher. Fig 43, 113 p. 


4.Epalxis
  Fig 15.1 
 this organism looks like a smaller version of jelley fish, it swims fast with its tails, it is not easy to take a picture under microscope. its shape are alsos very unique and can be easily identify from other organism.
 Fig 15.2
 Referance:
    Patterson DJ.1992. Free-Living Freshwater Protozoa. Washingon DC: ASM Press. Fig 311, 141 p.  

5.Lepidodermella 
 Fig 16.1
this is also a snail-like organism, moves freely in the water with two tails at the back. just like Blepharisma, it also has lots of vacules in itself to store food. pictures below is a close look of this organism when it is turning to another direction. 
 Fig 16.2
Fig 16.3


Referance:

    Rainis KG and Russell BJ.1996. Guide to Mirolife. New York, London, Hong Kong and Sydney: Franklin Watt Publisher. Fig 79, 177 p. 

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