38 FLAGELLATES AISTD ALCLE OF THE BTEMTIVOHAM DISTRICT 



S. varians (Hass.) Kiitz. 5. 



ws. Quinton ; Clent ; Barnt Green. ST. Bearwood. All in 

 conjugation. 



S. communis (Hass.) Kiitz. 5. 



WK. Coleshill (in conjugation). ws. Barnt Green. st. Bear- 

 wood (in conjugation). 



S. Gondensata Kiitz. 5. 



ws. King's Norton (in conjugation). 



^. nitlda (Dilhv.) Link. I, 5, 7, 10. 



WK. Bog II, Sutton Park; Bracebridge ; Berks well. ws. Barnt 

 Green; near Hawkesley Hall, King's Norton (in conjugation). 



S. majuscuJa Kiitz. 5, II. 



WK. Berkswell. ws. King's Norton. 



S. maxima Wittr. 5. 



ws. King's Norton (in conjugation). 



8. crassa Kiitz. 4, 5. 



WK. Lapworth (in conjugation), ws. Barnt Green. 



.S'. mirahilis (Hass.) Petit. 5, 8. 



w^K. Berkswell (in conjugation), ws. King's Norton (in con- 

 jugation). 



^S*. gracilis (Hass.) Kiitz. 3. 



v/K. Pond near Hawkesley Hall, King's Norton (in conjugation). 



>S'. tenuissima (Hass.) Kiitz. 3-5. 



WK. Bracebridge ; Solihull ; Harborne. ws. Halesowen ; King's 

 Norton ; Quinton. Frequentlj^ conjugating. 



*S*. /??;^rt/« (Vauch.) Kabenh. 5,11. 



WK. Berkswell. ws. King's Norton, etc. (both in conjugation). 



aS*. quadra fa Petit. 5. 



WK. Solihull. • 



S. Wehe74 Kiitz. 6. 



ws. Halesowen (sterile, and therefore doubtful) ; Hawkeslej 

 Hall Farm, King's Norton (in conjugation). 



S. Grevilleana (Hass.) Kiitz. G. 



ws. King's Norton; Clent (both in conjugation). 



S. Hassallii Jenn. 5. 



ws. Clent ; Barnt Green. 



>S'. calospora Cleve. 5. 



ws. King's Norton (in conjugation). 



S. iwllucida (Hass. ?) Kiitz. 10. 



WK. Bog II, Sutton Park. 



8. coUiijata Hodgetts in Annal. Bot. 1920, xxxiv. Oct. 

 1-6, 12. 



ws. Pond near Hawkesley Hall Farm, King's Norton (in con- 

 jugation). The only known locality for this remarkable Conjugate, 

 whicli forms its zygospores according to three different methods— 

 scalariform, lateral, and terminal ; it also has remarkable H-shaped 

 pieces of membrane connecting together and, as it were, clamping 

 the cells at their junctions. 



In Hawkesley Hall Farm pond, eleven species of ^pirogyra were 

 found simultaneously in 'conjugation in May 1919, viz. ^S*. calo- 

 spora, S. cateniformis, S, colligafa, S. condensafa, S. injlata, S.Jiir- 



