IN THE SOUTH OF SCOTLAND. 435 



Orthis (Platystrophia) biforata, 



Schl. Craighead ; Straiton. B2-F1. 



0. (Bilobites) biloba, Linn. Shalloch Mill; BargaiiyPond Burn.C3-D3. 



0. Bouchard!, Dav. Straiton. Fl. 



0. balcletchiensis, Dav. Craighead ; Balclatchie. B2-C1. 



0. calligramma, Dalm. Craighead ; Penwhapple. B2-E1. 



0. calligramma, var. plicata, >SW. Balclatchie; Woodland Point. C1-D2. 



0. calligramma, var. scotica, Dav. Craighead. B2. 



0. calligramma, var. virgata, >S'a^. Dularg ; Balclatchie. B2-C1. 



0. Carausii, Salt. Ardniillan. Cl. 



0. confinis, Salt. Benan Burn ; Minuntion. B1-B2. 



0. crispa, M^Coy. Ardraillan ; Threave. C1-C5. 



0.(Dalmanella)elegantula,/>aZw. Craighead; Straiton. B2-F1. 



0. (Dinorthis) flabellulum, Sow. Craighead ; Straiton. B2-F1. 



0. girvanensis, Dav. Craighead. B2. 



0. intercostata, Portl. Aldons ; Trochrague. B2-B3. 



0. kilbuchoensis, Dav. Ardniillan. Cl. 



0. Lapworthi, Dav. Balclatchie; Shalloch Mill. C1-C3. 



0. mullochiensis, Dav. Threave ; Mullqch. C5-D1. 



0. nina, Dae. Whitehonse Bay. C3. 



0. polygramma, Sow. Camregan. D3-E1. 

 O. polygramma, var. pentlandica, 



Da. Balclatchie; Penkill. C1-D3. 



0. porcata, J/'C'o?/. Threave. C5. 



0. protensa, Sow. Benan Crag. B2. 



0. Rankini, Dav. Ardniillan ; Threave. C1-C5. 



0. reversa, Salt. Penkill. El. 



0. rustica, Sow. Mulloch ; Straiton. Dl-Fl. 



0. rustica, var. rigida, Dav. Woodland ; Penkill. D2-D3. 



0. saggittifera, M'Coy. Mulloch Hill. Dl. 



0. Sowerbyana, Dav. Craighead ; Threave. B2-C5. 

 0. (Dalmanella) testudinaria, 



Dalm. Craighead ; Shalloch Mill. B2-C3. 



0. tricenaria, Conr. Piedmont Glen. C2. 



0. turgida, M'Coy. Craighead ; Penkill. B2-E1. 



0. vespertilio, Sow. Craighead ; Shalloch Mill. B2-C3. 

 Orthisina (Clitambonites) 



Grayae, Dav. Shalloch Mill ; Threave. C2-C5. 



0. (0.) scotica, M'-Coy. Bougang. B2. 



Paterula balcletchiensis, Dav. Balclatchie ; Threave. C1-C5. 



Pentamerus galeatus, Sow. Penkill. D3. 



P. globosus, Sow. Penkill. D3. 



P. oblongus, Sow. Newlands; Blackwood. D2-E1. 



P. oblongus, var. laevis, Sow. Penwhapple. 1)3. 



P. rotundus, Sow. Penkill. D3-E1. 



P. shallochiensis, Dav. Shalloch Mill. C3. 



P. undatus, Sow. Mulloch ; Penkill. D1-D3. 



Pholidops implicata, Sow. Shalloch Mill ; Penkill. C3-D3. 



Porambonites intercedens, Pand. Shalloch Mill. C3. 



Retzia Barrandei, Dav. Straiton. Fl. 



Rhynchonella aemula, Salt. Craighead. B2. 



R. ardmillanensis, Dav. Ardniillan. Cl. 



R. balcletchiensis, Dav. Craighead ; Balclatchie. B2-C1. 



R. cuneata, Dalm. Auldthorns ; Camregan. C5-D3. 



R. cuneatella, Dav. Balclatchie. Cl. 



R. decemplicata, Sow. Mulloch Hill. Dl. 



R. girvanensis, Dav. Balclatchie. Cl. 



